#help-27 | Mathematics | Page 6

hybrid snow Sep 12, 2022, 1:28 AM

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im directly changing the base

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but it gets the same results I guess

raw knoll Sep 12, 2022, 1:29 AM

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so basically log base e of (x)= in(x)

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sorry it’s been a min since i’ve taken math lol

hybrid snow Sep 12, 2022, 1:30 AM

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ln

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yes

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not in

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LN

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log base e = ln

raw knoll Sep 12, 2022, 1:30 AM

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sorry yeah ln

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thanks

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so basically i can do this?

hybrid snow Sep 12, 2022, 1:31 AM

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yeah

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either way

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id prefer changing the base directly and using the power-base rule

raw knoll Sep 12, 2022, 1:32 AM

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ignore top

hybrid snow Sep 12, 2022, 1:32 AM

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just ln(8)

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and put paranthesis aroound x^2+6

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otherwise its ln(x^2)+6

raw knoll Sep 12, 2022, 1:33 AM

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yeah didn’t mean to put e

hybrid snow Sep 12, 2022, 1:34 AM

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otherwise youre fine

raw knoll Sep 12, 2022, 1:35 AM

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so i got the same as this, but not sure how I would type it on my module assignment

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^

hybrid snow Sep 12, 2022, 1:35 AM

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Just fraction

raw knoll Sep 12, 2022, 1:36 AM

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okay

hybrid snow Sep 12, 2022, 1:36 AM

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You should have a fraction option in MathXL

raw knoll Sep 12, 2022, 1:36 AM

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nvm thanks

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hybrid snow Sep 12, 2022, 1:36 AM

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Might wanna crop it shows your name

raw knoll Sep 12, 2022, 1:37 AM

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before i was putting in now that i put ln it’s bold now 🤦🏽

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lmfao thank you so much man

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i have several probs i’m having trouble with on my homework, is it okay for me to come back and forth with questions if i have any?

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i don’t want to spam and get kicked

devout snowBOT Sep 12, 2022, 1:53 AM

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@raw knoll Has your question been resolved?

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grand cosmos Sep 12, 2022, 1:57 AM

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I just dont know where to start

devout snowBOT Sep 12, 2022, 1:57 AM

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grand cosmos I just dont know where to start

grand cosmos Sep 12, 2022, 2:01 AM

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.close

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grand cosmos Sep 12, 2022, 2:10 AM

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Am i missing something here or

devout snowBOT Sep 12, 2022, 2:10 AM

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grand cosmos Am i missing something here or

hybrid snow Sep 12, 2022, 2:17 AM

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Yeah what is (-6)^2 + (22)^2

grand cosmos Sep 12, 2022, 2:24 AM

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-36

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and 484

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which equals 448

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@hybrid snow

hybrid snow Sep 12, 2022, 2:42 AM

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(-6)^2 is not -36 @grand cosmos

grand cosmos Sep 12, 2022, 2:42 AM

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oh

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mb

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its just 36

hybrid snow Sep 12, 2022, 2:43 AM

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Yeah

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36 + 384 = 420

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So sqrt(420)

grand cosmos Sep 12, 2022, 2:43 AM

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yea

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i j need to do all the trig func now

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cool ty

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.close

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void ember Sep 12, 2022, 2:49 AM

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devout snowBOT Sep 12, 2022, 2:49 AM

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void ember

void ember Sep 12, 2022, 2:50 AM

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how did it go from 4*10*-4 to 40*10^-5??

final storm Sep 12, 2022, 2:53 AM

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same way how 10 * 10^-1 = 1 * 10^0

void ember Sep 12, 2022, 2:54 AM

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yea ok

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but why did he have to do that in first place?

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dont you normally just do -5 + -4 = 10^-9?

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is this just a rule that the exponents need to be the same or something?

final storm Sep 12, 2022, 2:56 AM

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u mean 10^-5 + 10^-4 = 10^-9?

void ember Sep 12, 2022, 2:56 AM

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yes

final storm Sep 12, 2022, 2:56 AM

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that's not how exponents work

void ember Sep 12, 2022, 2:56 AM

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thats how he's been teaching the entire time though

final storm Sep 12, 2022, 2:56 AM

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void ember but why did he have to do that in first place?

he did that to make 10^-5 the common factor and extract it

final storm Sep 12, 2022, 2:57 AM

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void ember thats how he's been teaching the entire time though

welp, not sure what u've been told, but 10^-4 * 10^-5 = 10^-9

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not with addition

void ember Sep 12, 2022, 2:57 AM

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if we had 10^1 * 10*2... isnt it the same as 10^3?

final storm Sep 12, 2022, 2:57 AM

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u add the powers when they're multiplied

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not added

void ember Sep 12, 2022, 2:58 AM

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that was a type

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typo

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but isnt that what it should be

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you just add the expoenents?

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i didnt need to do 10^2 + 10^2

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so why was it the case in that question

final storm Sep 12, 2022, 2:58 AM

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u cant do that here because there's an addition sign between the numbers

void ember Sep 12, 2022, 2:59 AM

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so when you add exponents, they need to have the same value?

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this makes no sense

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10^2 + 10^1... i need to make it 10^2 + 10^2 in order for it to work?

final storm Sep 12, 2022, 3:00 AM

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u make it have the same value to extract it

void ember Sep 12, 2022, 3:00 AM

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extract what

final storm Sep 12, 2022, 3:01 AM

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this makes adding the 8.2 and 40 easier

final storm Sep 12, 2022, 3:01 AM

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void ember extract what

the common, i.e. 10^-5

void ember Sep 12, 2022, 3:01 AM

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ok but what if i didnt do that

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wouldnt we still get the same answer?

final storm Sep 12, 2022, 3:02 AM

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void ember ok but what if i didnt do that

suggest a way u'd do it then

void ember Sep 12, 2022, 3:03 AM

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8.2 x 10^−5 + 4 x 10^-4

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like that

final storm Sep 12, 2022, 3:03 AM

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and?

void ember Sep 12, 2022, 3:03 AM

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so then youd do

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0.000082 + 0.0004 = (answer)

final storm Sep 12, 2022, 3:05 AM

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how come u didnt get the correct ans then

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that's also a valid way

void ember Sep 12, 2022, 3:05 AM

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i dont know thats why im confused

final storm Sep 12, 2022, 3:05 AM

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prob missed a zero on 0.000082

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check ur working again

void ember Sep 12, 2022, 3:05 AM

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100% thats what i did

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maybe thats just the math rule when add exponents. they gotta be the same value or something

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i probably missed the part where he explained it

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im just going to assume tahts what you have to do

final storm Sep 12, 2022, 3:06 AM

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they didnt add the exponents

void ember Sep 12, 2022, 3:07 AM

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i mean the exponents have to be the same value for some reason

final storm Sep 12, 2022, 3:07 AM

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they extracted a common

void ember Sep 12, 2022, 3:07 AM

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i dont know why. maybe its just the rule

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i probably missed that part

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but how does it make solving the question any easier?

final storm Sep 12, 2022, 3:08 AM

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well, imagine doing 8.2 × 10^-20 + 4 × 10^-19

void ember Sep 12, 2022, 3:08 AM

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id just use the calc

final storm Sep 12, 2022, 3:08 AM

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sure if that's allowed

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idek why u'd have a problem with this tho

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could've just put it in the calculator

void ember Sep 12, 2022, 3:10 AM

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so for 8.2 × 10^-20 + 4 × 10^-19....it should be simplified to something like that 8.2 × 10^-20 + 40 × 10^-20?

final storm Sep 12, 2022, 3:10 AM

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yea

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then extract 10^-20

void ember Sep 12, 2022, 3:11 AM

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you mean cancel out?

final storm Sep 12, 2022, 3:11 AM

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so u get (8.2 + 40) × 10^-20

void ember Sep 12, 2022, 3:11 AM

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yea

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ok

final storm Sep 12, 2022, 3:11 AM

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void ember you mean cancel out?

nah, take out the common

void ember Sep 12, 2022, 3:11 AM

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ok is this common?

final storm Sep 12, 2022, 3:12 AM

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refer to distributive property

void ember Sep 12, 2022, 3:12 AM

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or is this just how the instructor prefers how to do it this way

final storm Sep 12, 2022, 3:12 AM

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ab + ac = a(b+c)

void ember Sep 12, 2022, 3:12 AM

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ok that makes more sense

final storm Sep 12, 2022, 3:12 AM

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void ember or is this just how the instructor prefers how to do it this way

they def dont want u to write down 20 decimal places

void ember Sep 12, 2022, 3:12 AM

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when looking at it that way

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ok thanks i think i get it now

final storm Sep 12, 2022, 3:13 AM

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cool

void ember Sep 12, 2022, 3:13 AM

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appreciate the help!

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@final storm this is the video https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-scientific-notation-compu/v/subtracting-in-scientific-notation

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he doesnt really explain why he's doing it. he just does it.

final storm Sep 12, 2022, 3:14 AM

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u mean taking out the common?

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u shd've been taught it when it when u were younger

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at least that was the case for me

void ember Sep 12, 2022, 3:16 AM

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uhh... its been a while. im trying to relearn all the math basics

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on khan academy this is supposed to be grade 8 stuff

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i dont remember doing any of this in grade 8

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to be honest

final storm Sep 12, 2022, 3:17 AM

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void ember uhh... its been a while. im trying to relearn all the math basics

that's cool

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ig just ask here for help if u need smth

void ember Sep 12, 2022, 3:17 AM

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yes thanks

final storm Sep 12, 2022, 3:17 AM

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void ember i dont remember doing any of this in grade 8

maybe in basic algebra class?

void ember Sep 12, 2022, 3:18 AM

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what level of math do you have?

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are you uni student?

final storm Sep 12, 2022, 3:18 AM

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nah

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high school

void ember Sep 12, 2022, 3:18 AM

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wtf...

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are you the guy from india i spoke to few days ago?

final storm Sep 12, 2022, 3:18 AM

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lolll prob not

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i just joined yesterday

void ember Sep 12, 2022, 3:19 AM

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ok...so you just enjoy math i guess?

final storm Sep 12, 2022, 3:19 AM

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ig kinda

void ember Sep 12, 2022, 3:19 AM

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ok that's cool....

final storm Sep 12, 2022, 3:20 AM

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it's one of those subjects u can ace without studying

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or having to memorize anything

void ember Sep 12, 2022, 3:20 AM

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ok maybe for you

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for lots of people including myself, math was hard

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for others it comes naturally it seems

final storm Sep 12, 2022, 3:20 AM

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xD

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ig i shd be grateful for my teachers

void ember Sep 12, 2022, 3:21 AM

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yea having a good teacher is also very important

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i think looking back now my teachers sucked

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which is why i had zero interest in math

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so good for you that you have good teachers

final storm Sep 12, 2022, 3:21 AM

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yeaa

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aight, i gtg

void ember Sep 12, 2022, 3:21 AM

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where you from?

final storm Sep 12, 2022, 3:21 AM

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void ember where you from?

uk

void ember Sep 12, 2022, 3:22 AM

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oh ok....

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alright see you

final storm Sep 12, 2022, 3:22 AM

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yea gl with ur revisions

devout snowBOT Sep 12, 2022, 3:37 AM

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@void ember Has your question been resolved?

devout snowBOT Sep 12, 2022, 3:52 AM

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sweet brook Sep 12, 2022, 4:10 AM

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lol

devout snowBOT Sep 12, 2022, 4:10 AM

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sweet brook lol

sweet brook Sep 12, 2022, 4:10 AM

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.close

devout snowBOT Sep 12, 2022, 4:10 AM

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devout snowBOT Sep 12, 2022, 1:50 PM

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stuck kelp Sep 12, 2022, 3:16 PM

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Could anybody help me solve this question

devout snowBOT Sep 12, 2022, 3:16 PM

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stuck kelp Could anybody help me solve this question

wanton pecan Sep 12, 2022, 3:18 PM

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Notice <EDC + <DCB = 180, that's a good start

stuck kelp Sep 12, 2022, 3:20 PM

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Oh yea, how did i not see that

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Thats such an easy question i just couldn't notice that for some reason

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What angle am i trying to find here

remote zephyr Sep 12, 2022, 3:25 PM

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angle of the slope

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of this pyramid

stuck kelp Sep 12, 2022, 3:25 PM

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So what letter is it

remote zephyr Sep 12, 2022, 3:25 PM

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P

stuck kelp Sep 12, 2022, 3:26 PM

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TPR maybe then?

remote zephyr Sep 12, 2022, 3:26 PM

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TPM

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or TPR

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same thing

stuck kelp Sep 12, 2022, 3:26 PM

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Alright, appreciate it

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Why is it written that way instead of tpm or tpr

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Why does it have to be written in such confusing manner

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.close

devout snowBOT Sep 12, 2022, 3:30 PM

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devout snowBOT Sep 12, 2022, 4:00 PM

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rotund heron Sep 12, 2022, 4:05 PM

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try looking at the differences

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between consecutive terms

devout snowBOT Sep 12, 2022, 4:34 PM

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@winter field Has your question been resolved?

devout snowBOT Sep 12, 2022, 5:04 PM

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@winter field Has your question been resolved?

devout snowBOT Sep 12, 2022, 6:04 PM

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@winter field Has your question been resolved?

quartz remnant Sep 12, 2022, 7:18 PM

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dividing by 2 is the right idea, but not quite complete. if you divide 26 by 2 you get 13 instead of 14, so how could you adjust this to work?

devout snowBOT Sep 12, 2022, 8:05 PM

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@winter field Has your question been resolved?

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fickle pawn Sep 12, 2022, 10:09 PM

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devout snowBOT Sep 12, 2022, 10:09 PM

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fickle pawn

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Please don't occupy multiple help channels.

main gull Sep 12, 2022, 10:10 PM

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fickle pawn

Don't open multiple channels

fickle pawn Sep 12, 2022, 10:11 PM

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.close

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restive river Sep 12, 2022, 10:31 PM

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devout snowBOT Sep 12, 2022, 10:31 PM

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restive river

restive river Sep 12, 2022, 10:32 PM

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Professor want us to solve that without using L Hopital Forumla. Any tips would be helpful thanks!

long kettle Sep 12, 2022, 10:32 PM

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Use log properties

restive river Sep 12, 2022, 10:33 PM

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long kettle Use log properties

I did answer come out wrong idk maybe i put some wrong. Ill do it again

long kettle Sep 12, 2022, 10:33 PM

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Show your work

restive river Sep 12, 2022, 10:36 PM

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long kettle Show your work

idk if this correct or not lol

long kettle Sep 12, 2022, 10:36 PM

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2x?

left robin Sep 12, 2022, 10:36 PM

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we have ln(2+x) and not ln(2x)

restive river Sep 12, 2022, 10:37 PM

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oh sheesh mb lmao didnt saw the + lol

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.close

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digital egret Sep 12, 2022, 11:41 PM

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devout snowBOT Sep 12, 2022, 11:41 PM

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digital egret

digital egret Sep 12, 2022, 11:41 PM

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This isnt a quiz. I found an image online of the same problem so I didnt have to take a picture

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Which one is A-B?

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The cyan one of the green one?

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I thought it's the cyan one but someone told me it was the green line

wispy flume Sep 12, 2022, 11:55 PM

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d

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or b

digital egret Sep 13, 2022, 12:00 AM

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wispy flume or b

My friend says it's D. How did you get B?

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<@&286206848099549185>

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i got C bruh...

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.close

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foggy snow Sep 13, 2022, 12:28 AM

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devout snowBOT Sep 13, 2022, 12:28 AM

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foggy snow

half minnow Sep 13, 2022, 12:33 AM

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ok this is a little troll

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but i remember having helped you solve a problem like this with 3 points instead

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so just query the line at 2 different points

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and use the same methodology

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if you want to be a little more efficient, query the line once, subtract from the point vector, then cross that with the original line vector

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that will be your normal vector

foggy snow Sep 13, 2022, 12:35 AM

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what do you mean by query the line?

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lemme tell u what i tried

half minnow Sep 13, 2022, 12:38 AM

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foggy snow what do you mean by query the line?

plug in a few values for t

foggy snow Sep 13, 2022, 12:39 AM

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i assumed n = 〈a, b, c〉 was normal to the plane
then i found the vector equation of the line, and i did 〈1, -2, 3〉.〈a, b, c〉 = 0 to find the normal to the line
i found the line between the point on the line and the given coordinate on the plane (by doing point on the line - point on the plane) and found its normal
and i plugged in a t = 4 and found another point and did the same

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and then i tried to find a, b, c from the three line equations i had but its not giving me the correct answer

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but its not giving me a correct answer

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@half minnow

devout snowBOT Sep 13, 2022, 1:11 AM

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@foggy snow Has your question been resolved?

half minnow Sep 13, 2022, 1:14 AM

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https://www.youtube.com/watch?v=rL9UXzZYYo4

YouTube

The Organic Chemistry Tutor

How To Find The Equation of a Plane Given Three Points

This Calculus 3 video tutorial explains how to find the equation of a plane given three points.

My Website: https://www.video-tutor.net
Patreon Donations: https://www.patreon.com/MathScienceTutor
Amazon Store: https://www.amazon.com/shop/theorganicchemistrytutor

Subscribe:
https://www.youtube.com/channel/UCEWpbFLzoYGPfuWUMFPSaoA?sub_confirm...

▶ Play video

devout snowBOT Sep 13, 2022, 1:26 AM

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foggy snow Sep 13, 2022, 1:35 AM

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.reopen

devout snowBOT Sep 13, 2022, 1:35 AM

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✅

foggy snow Sep 13, 2022, 1:46 AM

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.CLOSE

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.close

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umbral mica Sep 13, 2022, 1:50 AM

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i don’t understand how i’m supposed to find this

devout snowBOT Sep 13, 2022, 1:50 AM

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umbral mica i don’t understand how i’m supposed to find this

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@umbral mica Has your question been resolved?

umbral mica Sep 13, 2022, 2:12 AM

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<@&286206848099549185>

devout snowBOT Sep 13, 2022, 2:42 AM

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@umbral mica Has your question been resolved?

umbral mica Sep 13, 2022, 2:55 AM

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🥲

crisp grail Sep 13, 2022, 2:59 AM

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i think you can find the slope using (y2-y1)/(x2-x1)

devout snowBOT Sep 13, 2022, 3:55 AM

#

@umbral mica Has your question been resolved?

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wary rose Sep 13, 2022, 12:38 PM

#

Hi everyone can I ask for some help about inverse laplace transform

devout snowBOT Sep 13, 2022, 12:38 PM

#

wary rose Hi everyone can I ask for some help about inverse laplace transform

wary rose Sep 13, 2022, 12:38 PM

#

#

that’s the given and the answer should look like that

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however I don’t have any idea where did i mess up, here’s my soln

#

#

and here is the answer I’ve got

devout snowBOT Sep 13, 2022, 12:54 PM

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@wary rose Has your question been resolved?

devout snowBOT Sep 13, 2022, 1:35 PM

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@wary rose Has your question been resolved?

devout snowBOT Sep 13, 2022, 3:00 PM

#

@wary rose Has your question been resolved?

devout snowBOT Sep 13, 2022, 5:50 PM

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@wary rose Has your question been resolved?

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rocky stump Sep 13, 2022, 9:59 PM

#

I need the values of k for which A is 4/3, how do i solve it in geogebra?

devout snowBOT Sep 13, 2022, 9:59 PM

#

rocky stump I need the values of k for which A is 4/3, how do i solve it in geogebra?

rocky stump Sep 13, 2022, 10:04 PM

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i have tried this but it isn't giving any solutions

restive river Sep 13, 2022, 10:04 PM

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why geogebra?

#

,w 4/3=int_0^k(x^3-2kx^2-k^2x dx)

woven radishBOT Sep 13, 2022, 10:05 PM

#

Results provided by WolframAlpha

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rocky stump Sep 13, 2022, 10:05 PM

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because that is what i use in school

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g(x) is this, i had a little formating mistake)

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ok, so i tweaked it a bit and the result is now what it says in my solution...just gotta figure out how to input it in geogebra...

devout snowBOT Sep 13, 2022, 10:30 PM

#

@rocky stump Has your question been resolved?

rocky stump Sep 13, 2022, 10:32 PM

#

i put it identically into geogebra and it ain't giving me the thing (or at least in a form that i can read out what the values of k are)

#

....i just had to add the god damn multiplication dot, like cmon

#

.close

devout snowBOT Sep 13, 2022, 10:40 PM

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devout snowBOT Sep 13, 2022, 11:56 PM

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lone wedge Sep 14, 2022, 12:03 AM

#

Find the coordinates of the midpoint of the line segment joining the points of intersections of the line y = 7x - 10 and the parabola y = -3x^2 -2x + 20.

devout snowBOT Sep 14, 2022, 12:03 AM

#

lone wedge Find the coordinates of the midpoint of the line segment joining the points of i...

lone wedge Sep 14, 2022, 12:03 AM

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so if I set them equal to each other I will find the intersection, but how do I find the midpoint?

winter patrol Sep 14, 2022, 12:03 AM

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you'll have two intersection points

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apply midpoint formula to what you get

lone wedge Sep 14, 2022, 12:04 AM

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yes

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is that the midpoint of the intersection ?

winter patrol Sep 14, 2022, 12:05 AM

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midpoint of the two points of intersection

lone wedge Sep 14, 2022, 12:05 AM

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x = -5 and x = 2

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I calculated that

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ohhh

lone wedge Sep 14, 2022, 12:05 AM

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winter patrol midpoint of the two points of intersection

so what I do is as follows

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@winter patrol at x = -5 we have y = 7*(-5) - 10 = -45 and at x = 2 we have y = 7x2 - 10 = 4

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so the points are (-45,-5) and (2,4)

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apply the mid point formula?

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right?

winter patrol Sep 14, 2022, 12:08 AM

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you mean (-5,-45)?

lone wedge Sep 14, 2022, 12:08 AM

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winter patrol you mean (-5,-45)?

yes

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apply the midpoint formula to (-5,-45) and (2,4) correct?

lone wedge Sep 14, 2022, 12:09 AM

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winter patrol you mean (-5,-45)?

right?

winter patrol Sep 14, 2022, 12:09 AM

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yes

lone wedge Sep 14, 2022, 12:09 AM

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okay cool

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tysm

lone wedge Sep 14, 2022, 12:12 AM

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winter patrol yes

can I ask another verification question?

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I am just preparing for an exam

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for derivatives are you familiar with them?

winter patrol Sep 14, 2022, 12:12 AM

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yes

lone wedge Sep 14, 2022, 12:14 AM

#

Screen_Shot_2022-09-13_at_6.13.29_PM.png

Screen_Shot_2022-09-13_at_6.13.48_PM.png

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from my book

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so from what we see

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the function has derivative where rate of change is increasing from -4 to -2

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and decreases from -2 to 1

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and then increases from 1 to infinity

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I think it is the second one based on this reasoning right @winter patrol ?

winter patrol Sep 14, 2022, 12:17 AM

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no

lone wedge Sep 14, 2022, 12:18 AM

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winter patrol no

can you explain why

#

?

winter patrol Sep 14, 2022, 12:21 AM

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the rate of change of the derivative (effectively the second derivative) concerns concavity (which you could technically consider)

#

actually considering the (first) derivative, you're looking for the function that has stationary points at x=-3 , -1 and x=2,
and starts with a negative slope, since the derivative is negative for x<-3

lone wedge Sep 14, 2022, 12:25 AM

#

winter patrol actually considering the (first) derivative, you're looking for the function tha...

oh

lone wedge Sep 14, 2022, 12:25 AM

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winter patrol the rate of change of the derivative (effectively the second derivative) concern...

so it is the 3rd one right?

winter patrol Sep 14, 2022, 12:26 AM

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no

lone wedge Sep 14, 2022, 12:26 AM

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sorry I meant to say 4th one

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because the 4th one has stationary points at -3,-1, 2

winter patrol Sep 14, 2022, 12:27 AM

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yes

lone wedge Sep 14, 2022, 12:27 AM

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okay perfectt

lone wedge Sep 14, 2022, 12:29 AM

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winter patrol yes

Just one more question as I am reviewing for my exam. How many theta values between -pi and pi/2 satisfy tan(x) = -1/3? so tan has a period of pi, and we have tan is negative on the 2nd and 4th quadrant. So it follows we have only 1 theta values

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for which tan(x) = -1/3 over the interval -pi to pi/2

winter patrol Sep 14, 2022, 12:30 AM

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yes

lone wedge Sep 14, 2022, 12:31 AM

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okay cool

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Actually just one more optimization question let me read it first and write down my solution to make sure I understand it

lone wedge Sep 14, 2022, 12:35 AM

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winter patrol yes

Okay here is my solution so we know that 4l^2 * d = 0.4 so it follows d = 0.4 / (4l^2)

Screen_Shot_2022-09-13_at_6.32.52_PM.png

#

put that into A to get

#

A = 4l^2 + 10*(0.4/4l^2)l = 4l^2 + 1/l

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now differentiate A with respect to l and set equal to zero

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dA / dl = 8l + -1/l^2 = 0

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so 8l^3 - 1 = 0

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so l^3 = 1/8 so l = 1/2

lone wedge Sep 14, 2022, 12:37 AM

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winter patrol yes

correct?

winter patrol Sep 14, 2022, 12:40 AM

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yeh

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though they want the answer to 1dp

lone wedge Sep 14, 2022, 12:41 AM

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winter patrol though they want the answer to 1dp

what does this mean

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0.5?

winter patrol Sep 14, 2022, 12:41 AM

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yes

#

m

lone wedge Sep 14, 2022, 12:43 AM

#

okay perfect thank so much for all the help

devout snowBOT Sep 14, 2022, 12:58 AM

#

@lone wedge Has your question been resolved?

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wraith flume Sep 14, 2022, 1:07 AM

#

Bonjour

devout snowBOT Sep 14, 2022, 1:07 AM

#

wraith flume Bonjour

wraith flume Sep 14, 2022, 1:07 AM

#

i get that we move the first term to the bototm

#

but idk after that

#

we hav eto factor completely

#

<@&286206848099549185>

devout snowBOT Sep 14, 2022, 1:34 AM

#

@wraith flume Has your question been resolved?

devout snowBOT Sep 14, 2022, 2:06 AM

#

@wraith flume Has your question been resolved?

dire tiger Sep 14, 2022, 2:24 AM

#

Review your exponent rules

#

This will allow you to factor it all

devout snowBOT Sep 14, 2022, 3:08 AM

#

@wraith flume Has your question been resolved?

wraith flume Sep 14, 2022, 3:36 AM

#

dire tiger

aight

#

ty

devout snowBOT Sep 14, 2022, 4:08 AM

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devout snowBOT Sep 14, 2022, 12:10 PM

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white topaz Sep 14, 2022, 12:36 PM

#

devout snowBOT Sep 14, 2022, 12:36 PM

#

white topaz

remote meteor Sep 14, 2022, 12:40 PM

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ok

#

so there are 2 groups
1 group heard info and the other heard info + saw a graph that depicted the data

#

how would you describe this relationship

white topaz Sep 14, 2022, 12:41 PM

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The first is independent sample t test?

#

Because they want difference from two means?

remote meteor Sep 14, 2022, 12:41 PM

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u are half correct

#

there are 2 groups

white topaz Sep 14, 2022, 12:42 PM

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Oh :/

remote meteor Sep 14, 2022, 12:42 PM

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so what would it be

white topaz Sep 14, 2022, 12:42 PM

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Paired?

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I thought it was independent

remote meteor Sep 14, 2022, 12:42 PM

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white topaz The first is independent sample t test?

this is closer

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there are 2 so

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_ sample t test

white topaz Sep 14, 2022, 12:42 PM

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Oh

#

Why is that?

remote meteor Sep 14, 2022, 12:42 PM

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white topaz The first is independent sample t test?

actually this is fine too nvm

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lol

#

i was taught to be a 2 sample t test

white topaz Sep 14, 2022, 12:43 PM

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Oh okay lol

#

So independent sample is correct,

#

?

remote meteor Sep 14, 2022, 12:43 PM

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yes

white topaz Sep 14, 2022, 12:43 PM

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Okay ty. I am not sure how to find next one

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How many participant I do not know how find

remote meteor Sep 14, 2022, 12:44 PM

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degrees of freedom expressed as t is 59

white topaz Sep 14, 2022, 12:45 PM

#

Ohh. I missed that

remote meteor Sep 14, 2022, 12:45 PM

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so there r 2 groups

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what would the number of participants be

white topaz Sep 14, 2022, 12:47 PM

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59? I am confused 😅 is 59 the total for all participants

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Or is it 58 because of DF

remote meteor Sep 14, 2022, 12:47 PM

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no

white topaz Sep 14, 2022, 12:47 PM

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Oh I feel lost then :/

#

Is 59 per group?

#

Oh

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60

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59 was when it gave the DF so you add 1 back makes it 60?

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61, I got it wrong but still 90%. Ty 😆

remote meteor Sep 14, 2022, 1:01 PM

#

ok

devout snowBOT Sep 14, 2022, 1:16 PM

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@white topaz Has your question been resolved?

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crimson magnet Sep 14, 2022, 1:25 PM

#

Hi

devout snowBOT Sep 14, 2022, 1:25 PM

#

crimson magnet Hi

#

Please don't occupy multiple help channels.

crimson magnet Sep 14, 2022, 1:26 PM

#

How do I find the area

#

thin gust Sep 14, 2022, 1:28 PM

#

hihii

#

what shape is the garden in?

crimson magnet Sep 14, 2022, 1:31 PM

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A rectangle

#

So would you multiply the two fractions

thin gust Sep 14, 2022, 1:32 PM

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yesh to calculate area of a rectangle,, is length x width

thin gust Sep 14, 2022, 1:32 PM

#

crimson magnet So would you multiply the two fractions

yepp

crimson magnet Sep 14, 2022, 1:33 PM

#

How do I multiply fractions again

thin gust Sep 14, 2022, 1:33 PM

#

personally I’ll start off by expressing it as improper

crimson magnet Sep 14, 2022, 1:33 PM

#

So make it 17 over 5

thin gust Sep 14, 2022, 1:34 PM

#

so 3 2/5 is

#

yesh

#

and what’s 2 1/4?

crimson magnet Sep 14, 2022, 1:34 PM

#

9 over 4

thin gust Sep 14, 2022, 1:34 PM

#

yesh

#

so u get 17/5 x 9/4

crimson magnet Sep 14, 2022, 1:34 PM

#

Yea

thin gust Sep 14, 2022, 1:34 PM

#

so just multiply the numerator

#

and multiply the denominator

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17 x 9

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and 5 x 4

crimson magnet Sep 14, 2022, 1:35 PM

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153

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And 20

thin gust Sep 14, 2022, 1:35 PM

#

yepp

#

153/20

crimson magnet Sep 14, 2022, 1:35 PM

#

Would it be 7 13/20

thin gust Sep 14, 2022, 1:35 PM

#

errr

#

yep seems right

#

gd job (:

crimson magnet Sep 14, 2022, 1:36 PM

#

Ok thanks I have listens an other question could you help with that as well

thin gust Sep 14, 2022, 1:36 PM

#

yesh I can try

crimson magnet Sep 14, 2022, 1:37 PM

#

Ok I @ you in in

#

The question I am trying to do asks me to turn a vector into a surd when I do it I get root 6 not root 8 what am I doing wrong it’s the middle question

#

@thin gust

thin gust Sep 14, 2022, 1:39 PM

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oh that was a jump

#

have a pic of ur working?

crimson magnet Sep 14, 2022, 1:40 PM

#

I get up to the root 2 squared + -2 squared part

#

I get root 6 not root 8

thin gust Sep 14, 2022, 1:41 PM

#

it’s rt 8

#

2^2 + (-2)^2

#

is 4+4

#

u can express it as 2rt2 as well

crimson magnet Sep 14, 2022, 1:42 PM

#

Ow must be my calc then

#

Thanks

thin gust Sep 14, 2022, 1:42 PM

#

welcc

crimson magnet Sep 14, 2022, 1:42 PM

#

.close

devout snowBOT Sep 14, 2022, 1:42 PM

#

Channel closed

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fading kraken Sep 14, 2022, 1:59 PM

#

would angle 2 and 4 be considered same-side interior angles?

devout snowBOT Sep 14, 2022, 1:59 PM

#

fading kraken would angle 2 and 4 be considered same-side interior angles?

long kettle Sep 14, 2022, 2:00 PM

#

No

#

They're not on the same side of the transversal

fading kraken Sep 14, 2022, 2:00 PM

#

oh ok

#

so like 1 and 3, 5 and 7 would be?

long kettle Sep 14, 2022, 2:01 PM

#

Again, 1 and 3 aren't even on the same side of the transversal. Neither are 5 and 7

fading kraken Sep 14, 2022, 2:01 PM

#

1 and 2?

long kettle Sep 14, 2022, 2:01 PM

#

Angle 1 isn't in the interior

#

It's outside the lines m and n

fading kraken Sep 14, 2022, 2:02 PM

#

so interior angles would be only 2, 5, 4, and 7?

long kettle Sep 14, 2022, 2:02 PM

#

Those are the interior angles, yes

#

And you want the pairs that are on the same side

fading kraken Sep 14, 2022, 2:03 PM

#

so like 2 and 4?

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or 2 and 5

long kettle Sep 14, 2022, 2:03 PM

#

2 and 5

#

Yes

fading kraken Sep 14, 2022, 2:03 PM

#

ah ok

#

so the same side of the transversal basically?

long kettle Sep 14, 2022, 2:03 PM

#

Yes

fading kraken Sep 14, 2022, 2:04 PM

#

ok, so if they gave you the measurement of 2 and told you to solve for 4, you would subtract 180 by 2?

#

like if angle 2 was 77

long kettle Sep 14, 2022, 2:04 PM

#

Angles 2 and 4 are linear angles, so they're supplementary, yes

fading kraken Sep 14, 2022, 2:05 PM

#

and the same thing applies if they're horizontal? sorry if that isnt the right wording

#

like 3 and 4

long kettle Sep 14, 2022, 2:05 PM

#

The two angles form a line, so they add to 180 degrees

fading kraken Sep 14, 2022, 2:06 PM

#

ok i think i get it

#

thank you very much, i have a test tomorrow so this really helped

#

.close

devout snowBOT Sep 14, 2022, 2:06 PM

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Channel closed

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placid hedge Sep 14, 2022, 2:21 PM

#

how to answer this?

devout snowBOT Sep 14, 2022, 2:21 PM

#

placid hedge how to answer this?

placid hedge Sep 14, 2022, 2:22 PM

#

<@&286206848099549185>

dusky chasm Sep 14, 2022, 2:26 PM

#

Do you know ax+b=y

winter patrol Sep 14, 2022, 2:26 PM

#

what have you tried?
do you know the relation between the slopes of perpendicular lines?

#

also

#

!15m

devout snowBOT Sep 14, 2022, 2:26 PM

#

Please only use the <@&286206848099549185> ping once if your question has not been answered for 15 minutes. Please do not ping or DM individual users about your question.

#

@placid hedge Has your question been resolved?

devout snowBOT Sep 14, 2022, 2:52 PM

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devout snowBOT Sep 14, 2022, 3:26 PM

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fading kraken Sep 14, 2022, 3:32 PM

#

if two statements are both false are they still logically equivalent?

devout snowBOT Sep 14, 2022, 3:32 PM

#

fading kraken if two statements are both false are they still logically equivalent?

stone stump Sep 14, 2022, 3:33 PM

#

the moon is yellow

#

2+2=5

fading kraken Sep 14, 2022, 3:34 PM

#

so those two are false meaning they are logically equivalent correct?

wicked turtle Sep 14, 2022, 3:34 PM

#

A --> B and B --> A are both vacuously true in that case

fading kraken Sep 14, 2022, 3:34 PM

#

or do they have to be true all the time?

#

like
if it is a square, then it has more than four sides

if it has less than four sides, then it is a square

would that be logically equivalent because they are both false?

rare mantle Sep 14, 2022, 3:38 PM

#

fading kraken like if it is a square, then it has more than four sides if it has less than f...

they have the same truth value of “false” so yes I think so

#

it’s like booleans in code ig

fading kraken Sep 14, 2022, 3:38 PM

#

rare mantle they have the same truth value of “false” so yes I think so

Ok, makes sense, thank you

#

.close

devout snowBOT Sep 14, 2022, 3:39 PM

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Channel closed

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vale ruin Sep 14, 2022, 3:56 PM

#

devout snowBOT Sep 14, 2022, 3:56 PM

#

vale ruin

#

Please don't occupy multiple help channels.

vale ruin Sep 14, 2022, 3:56 PM

#

I dont understand the results

scarlet sequoia Sep 14, 2022, 4:00 PM

#

u don't know how to find 3x3 determinant?

#

or what

devout snowBOT Sep 14, 2022, 4:11 PM

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@vale ruin Has your question been resolved?

devout snowBOT Sep 14, 2022, 4:26 PM

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restive river Sep 14, 2022, 4:38 PM

#

Write an equation in slope intercept form that passes through the point (2,-3) and has a slope of -2

devout snowBOT Sep 14, 2022, 4:38 PM

#

restive river Write an equation in slope intercept form that passes through the point (2,-3) a...

#

Please don't occupy multiple help channels.

restive river Sep 14, 2022, 4:39 PM

#

.close

devout snowBOT Sep 14, 2022, 4:39 PM

#

Channel closed

Closed by @jade forge

Use .reopen if this was a mistake.

devout snowBOT Sep 14, 2022, 5:31 PM

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brisk star Sep 14, 2022, 5:36 PM

#

A network graph where everything is connected to everything else is a complete graph, with N nodes, and N^2 connections

devout snowBOT Sep 14, 2022, 5:36 PM

#

brisk star A network graph where everything is connected to everything else is a complete g...

brisk star Sep 14, 2022, 5:36 PM

#

For a multigraph, extending this idea

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we make a multigraph where every node is connected to every other node with M edges

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so an extension of the concept of a complete graph

#

there are N nodes, and MN^2 edges

#

does this concept have a name?

#

diagram

#

Is it just a complete multigraph?

devout snowBOT Sep 14, 2022, 5:59 PM

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@brisk star Has your question been resolved?

devout snowBOT Sep 14, 2022, 6:30 PM

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@brisk star Has your question been resolved?

devout snowBOT Sep 14, 2022, 7:32 PM

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@brisk star Has your question been resolved?

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Channel closed

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stark violet Sep 14, 2022, 8:48 PM

#

$\lim_{x\to \infty} (\frac{3+2x}{5+2x})^{1-x^2}$

devout snowBOT Sep 14, 2022, 8:48 PM

#

stark violet $\lim_{x\to \infty} (\frac{3+2x}{5+2x})^{1-x^2}$

woven radishBOT Sep 14, 2022, 8:48 PM

#

valk

stark violet Sep 14, 2022, 8:48 PM

#

how can i solve this limit

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im kinda stuck with it

grim agate Sep 14, 2022, 8:52 PM

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Take ln

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Then apply L’hopital

stark violet Sep 14, 2022, 8:53 PM

#

take in?

restive river Sep 14, 2022, 8:53 PM

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natural log

grim agate Sep 14, 2022, 8:53 PM

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log_e

stark violet Sep 14, 2022, 8:53 PM

#

oh

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ok

restive river Sep 14, 2022, 8:54 PM

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so if lim(...) = s, then lim(ln(...)) = ln(s)

stark violet Sep 14, 2022, 8:56 PM

#

ok guys i got it thx 🙂

grim agate Sep 14, 2022, 8:56 PM

#

catthumbsup

stark violet Sep 14, 2022, 8:56 PM

#

.close

devout snowBOT Sep 14, 2022, 8:56 PM

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Channel closed

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devout snowBOT Sep 14, 2022, 9:13 PM

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loud spindle Sep 14, 2022, 9:20 PM

#

I have a question
This is my first time in here
I have this question where I ment to find x
I did find x but it's the wrong answer
I want to know where I went wrong
Is it my method or an I adding smt wrong 🧍‍♂️

devout snowBOT Sep 14, 2022, 9:20 PM

#

loud spindle I have a question This is my first time in here I have this question where I me...

wooden veldt Sep 14, 2022, 9:20 PM

#

,rrcw

#

hello bot??

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$test$

arctic field Sep 14, 2022, 9:20 PM

#

,rccw

woven radishBOT Sep 14, 2022, 9:20 PM

#

arctic field Sep 14, 2022, 9:20 PM

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too many rs

wooden veldt Sep 14, 2022, 9:20 PM

#

oh lol

arctic field Sep 14, 2022, 9:21 PM

#

but also

wooden veldt Sep 14, 2022, 9:21 PM

#

rotate rotate!

arctic field Sep 14, 2022, 9:21 PM

#

we only got 1 D:

wooden veldt Sep 14, 2022, 9:21 PM

#

,rccw

woven radishBOT Sep 14, 2022, 9:21 PM

#

loud spindle Sep 14, 2022, 9:21 PM

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Did I do smt wrong 💀?

arctic field Sep 14, 2022, 9:21 PM

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nah we just want to read the images

wooden veldt Sep 14, 2022, 9:21 PM

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we just tryna rotate your pics

loud spindle Sep 14, 2022, 9:21 PM

#

Oh ok

wooden veldt Sep 14, 2022, 9:21 PM

#

dont wanna break my neck

grim agate Sep 14, 2022, 9:21 PM

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whycat

arctic field Sep 14, 2022, 9:21 PM

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catThink

wooden veldt Sep 14, 2022, 9:22 PM

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😦

arctic field Sep 14, 2022, 9:22 PM

#

D:

wooden veldt Sep 14, 2022, 9:22 PM

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nevermind they corrected when they expanded

arctic field Sep 14, 2022, 9:23 PM

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🤔

#

#

what about this

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oh and the -6

wooden veldt Sep 14, 2022, 9:23 PM

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ye thats it

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other one has flipped signs too

arctic field Sep 14, 2022, 9:24 PM

#

#

also no brackets

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yeah

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oof

loud spindle Sep 14, 2022, 9:27 PM

#

arctic field also no brackets

Why does it need brackets?

arctic field Sep 14, 2022, 9:28 PM

#

because we're subtracting the whole quantity of (x + 3)(x - 7)

#

(x + 3)(x - 7) = x^2 - 4x - 21

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if we subtract that from something

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something - (x + 3)(x - 7) = something - (x^2 - 4x - 21)

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the whole thing

loud spindle Sep 14, 2022, 9:29 PM

#

Ohh

#

Thank you so much kind sirs

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Have a good day

#

I think I close

#

Close

#

.close

devout snowBOT Sep 14, 2022, 9:30 PM

#

Channel closed

Closed by @loud spindle

Use .reopen if this was a mistake.

grim agate Sep 14, 2022, 9:30 PM

#

ilikecats

#

happy

loud spindle Sep 14, 2022, 9:31 PM

#

:))

grim agate Sep 14, 2022, 9:31 PM

#

,av ilikecats

woven radishBOT Sep 14, 2022, 9:31 PM

#

ilikecats#8306's Avatar

Click here to view the image.

devout snowBOT Sep 14, 2022, 9:31 PM

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Available help channel!

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stark spruce Sep 14, 2022, 9:54 PM

#

hello i need help with my algebra 2 homework

devout snowBOT Sep 14, 2022, 9:54 PM

#

stark spruce hello i need help with my algebra 2 homework

stark spruce Sep 14, 2022, 9:54 PM

#

im horrible at math keep in mind

#

#

i did something in class today but i didnt really get it

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about stretching and shrinking

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i sort of understand domain and range

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can someone help me out here and explain what to do

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and ping please

#

on #21

charred warren Sep 14, 2022, 10:08 PM

#

First you have to draw a scale

stark spruce Sep 14, 2022, 10:11 PM

#

charred warren First you have to draw a scale

ok bet

#

#

sorry about my graph paper

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its ass

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missing squares

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@charred warren wait so this is good right

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uh

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<@&286206848099549185>

devout snowBOT Sep 14, 2022, 10:50 PM

#

@stark spruce Has your question been resolved?

stark spruce Sep 14, 2022, 11:18 PM

#

.close

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Channel closed

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maiden frigate Sep 15, 2022, 12:12 AM

#

r^4-6r^3 -89r^2-294r+2401 = 0

devout snowBOT Sep 15, 2022, 12:12 AM

#

maiden frigate r^4-6r^3 -89r^2-294r+2401 = 0

maiden frigate Sep 15, 2022, 12:13 AM

#

How can I resolve this ecuation by hand, I already have the result I just have to do it by hand.

winter patrol Sep 15, 2022, 12:14 AM

#

approach with rational root theorem
and poly long/synth division

maiden frigate Sep 15, 2022, 12:17 AM

#

Ok

devout snowBOT Sep 15, 2022, 12:32 AM

#

@maiden frigate Has your question been resolved?

devout snowBOT Sep 15, 2022, 12:47 AM

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Channel closed

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devout snowBOT Sep 15, 2022, 2:09 AM

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rare mantle Sep 15, 2022, 2:13 AM

#

devout snowBOT Sep 15, 2022, 2:13 AM

#

rare mantle

rare mantle Sep 15, 2022, 2:13 AM

#

why is it -x in the last step?

grim burrow Sep 15, 2022, 2:15 AM

#

The minus sign came from |x-2| when you try to get rid of the absolute value appropriately

rare mantle Sep 15, 2022, 2:19 AM

#

ohhhh

#

I didn't realize you kinda take it apart like that

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x-2 over |x-2|

#

thanks

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.close

devout snowBOT Sep 15, 2022, 2:19 AM

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Channel closed

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mild granite Sep 15, 2022, 2:23 AM

#

devout snowBOT Sep 15, 2022, 2:23 AM

#

mild granite

winter patrol Sep 15, 2022, 2:34 AM

#

what have you tried?

devout snowBOT Sep 15, 2022, 2:39 AM

#

@mild granite Has your question been resolved?

devout snowBOT Sep 15, 2022, 2:54 AM

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Channel closed

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devout snowBOT Sep 15, 2022, 4:02 AM

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Available help channel!

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Remember:
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ebon cloak Sep 15, 2022, 4:47 AM

#

What is the problem with my method?

devout snowBOT Sep 15, 2022, 4:47 AM

#

ebon cloak What is the problem with my method?

#

@ebon cloak Has your question been resolved?

devout snowBOT Sep 15, 2022, 5:32 AM

#

@ebon cloak Has your question been resolved?

ebon cloak Sep 15, 2022, 6:01 AM

#

Another example.

viscid chasm Sep 15, 2022, 6:42 AM

#

hi

#

can you teach me how to extract sqaure root?

devout snowBOT Sep 15, 2022, 7:02 AM

#

@ebon cloak Has your question been resolved?

remote meteor Sep 15, 2022, 7:59 AM

#

viscid chasm can you teach me how to extract sqaure root?

change to 1/2 power

devout snowBOT Sep 15, 2022, 9:02 AM

#

@ebon cloak Has your question been resolved?

tall kite Sep 15, 2022, 11:14 AM

#

@ebon cloakwhich problem do u need solved

tall kite Sep 15, 2022, 11:15 AM

#

ebon cloak What is the problem with my method?

this one

tall kite Sep 15, 2022, 11:15 AM

#

ebon cloak Another example.

or this

ebon cloak Sep 15, 2022, 11:15 AM

#

They refer to the same thing.

tall kite Sep 15, 2022, 11:16 AM

#

oh my bad i thought you were solving the massive one with sin^3 x/2 ....

devout snowBOT Sep 15, 2022, 3:15 PM

#

@ebon cloak Has your question been resolved?

restive river Sep 15, 2022, 3:54 PM

#

ebon cloak Another example.

I am not sura that I understand your problem, but both results seem to be equivalent.

x=nπ/2±π/8
(-1/8)π, (3/8)π, (7/8)π...
(1/8)π, (5/8)π, (9/8)π...
It seems that it is the same: (2k+1)*π/8

nπ/2+π/8=(4n+1)*π/8 ↔ k=2n
nπ/2-π/8=(4n-1)*π/8 ↔ k=2n-1
every integer number is of the form k=2n or k=2n-1

devout snowBOT Sep 15, 2022, 11:15 PM

#

@ebon cloak Has your question been resolved?

ebon cloak Sep 16, 2022, 4:43 AM

#

Need a moment to read the above text, will close the channel manually. Confirming it for the first example..

ebon cloak Sep 16, 2022, 5:56 AM

#

restive river I am not sura that I understand your problem, but both results seem to be equiva...

Why doesn't the equivalency hold for the original example?

ebon cloak Sep 16, 2022, 5:56 AM

#

ebon cloak What is the problem with my method?

.

ebon cloak Sep 16, 2022, 7:30 AM

#

Apologies

devout snowBOT Sep 16, 2022, 7:30 AM

#

Channel closed

Closed by @ebon cloak

Use .reopen if this was a mistake.

#

✅

restive river Sep 16, 2022, 4:40 PM

#

ebon cloak Why doesn't the equivalency hold for the original example?

sin(x) takes value 1 only once in its period
cos(x)=a iff x=2nπ±acos(a)
but in case of sin(x) we have to use sin(x)=b=cos(x-π/2) so x-π/2=2nπ±acos(b) equivalently x=π/2+2nπ±acos(b)
for sin(x)=1 we have π/2+2nπ±0
(I hope that I did not mix something up)

devout snowBOT Sep 16, 2022, 11:30 PM

#

@ebon cloak Has your question been resolved?

stuck field Sep 17, 2022, 3:04 AM

#

Hello @ebon cloak may I know if any of your queries are left unanswered?

ebon cloak Sep 17, 2022, 3:06 AM

#

My apologies, I haven't reviewed the above answer yet. I will do so shortly and close the channel manually if I find the explanation satisfactory..

ebon cloak Sep 17, 2022, 5:46 AM

#

restive river sin(x) takes value 1 only once in its period cos(x)=a iff x=2nπ±acos(a) but in c...

I did not understand how this explains why the other method is wrong.

stuck field Sep 17, 2022, 7:17 AM

#

ebon cloak What is the problem with my method?

Nothing's wrong with what you wrote

#

Writing that down as npi + (-1)^npi/2 just gives same x values for 2 different n values.
For example,
n = 0 gives 0 + pi/2
n = 1 gives pi - pi/2 = pi/2.
So yeah, it is simpler to write that as (4n+1)pi/2
But nothing wrong with what you wrote

stuck field Sep 17, 2022, 7:28 AM

#

ebon cloak Another example.

It's right also, nothing wrong with it.
It's just when you write the x values properly you should notice a nice sequence, and that's a neat way to write it out.

#

Although if confused as for why they noticed that “nice sequence" at the very first step. Then note
cos(x) = 0 is a pretty standard scenario, the graph tells us that it's zero at odd integral multiples of pi/2. So that's where the (2n+1)pi/2 came from, right off the bat.

#

Hope that helps.

woven radishBOT Sep 17, 2022, 7:32 AM

#

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ebon cloak Sep 17, 2022, 8:03 AM

#

stuck field Writing that down as npi + (-1)^npi/2 just gives same x values for 2 different n...

Let me recheck it.. I must've made an error last time since the values were not matching.

#

Right.

#

Thank you for your time and assistance. I will ensure to check my calculations carefully next time to avoid such pointless doubts.

#

.close

devout snowBOT Sep 17, 2022, 8:18 AM

#

Channel closed

Closed by @ebon cloak

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solemn seal Sep 17, 2022, 8:36 AM

#

devout snowBOT Sep 17, 2022, 8:36 AM

#

solemn seal

solemn seal Sep 17, 2022, 8:36 AM

#

how would i write an equation for line a in slope intercept form?

restive river Sep 17, 2022, 8:37 AM

#

find the slope
find the intercept

plush knot Sep 17, 2022, 8:37 AM

#

Check this video out

#

https://youtu.be/vAMnWxpYFOs

YouTube

ProfRobBob

Equation of a Line Given 2 Points

I explain how you find the equation of a line given two points. I help to develop an understanding of slope and explain the relationship between the Point Slope of a Line and the Slope formula.

Check out http://www.ProfRobBob.com, there you will find my lessons organized by chapters within each subject.
If you'd like to make a donation to su...

▶ Play video

solemn seal Sep 17, 2022, 8:38 AM

#

i know but it doesnt hit anything

solemn seal Sep 17, 2022, 8:38 AM

#

restive river find the slope find the intercept

it doesnt hit anything

plush knot Sep 17, 2022, 8:38 AM

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wdym

restive river Sep 17, 2022, 8:38 AM

#

solemn seal it doesnt hit anything

which line are you talking about

solemn seal Sep 17, 2022, 8:38 AM

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line a

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i mean all of the lines

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do not hit a specific place

restive river Sep 17, 2022, 8:38 AM

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..

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huh??

#

it doestn have to

solemn seal Sep 17, 2022, 8:38 AM

#

see

restive river Sep 17, 2022, 8:38 AM

#

each line has a different intewrcept

solemn seal Sep 17, 2022, 8:38 AM

#

bruh then how do i find the intercept if

restive river Sep 17, 2022, 8:38 AM

#

different slope

solemn seal Sep 17, 2022, 8:38 AM

#

its like a weird fraction

restive river Sep 17, 2022, 8:39 AM

#

so?

plush knot Sep 17, 2022, 8:39 AM

#

~~approximate~~

solemn seal Sep 17, 2022, 8:39 AM

#

that i cant tell from the graph

restive river Sep 17, 2022, 8:39 AM

#

fractions can't be intercepts ??

restive river Sep 17, 2022, 8:39 AM

#

solemn seal that i cant tell from the graph

calculate

solemn seal Sep 17, 2022, 8:39 AM

#

they can but i cant say the exact value

restive river Sep 17, 2022, 8:39 AM

#

approximate it

solemn seal Sep 17, 2022, 8:40 AM

#

bruh

#

how

#

can u do a as an exmaple

restive river Sep 17, 2022, 8:40 AM

#

x = -2
y = -1.5

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for a

plush knot Sep 17, 2022, 8:40 AM

#

you need only two correct points, then there's no need for approximation and you can find any point

restive river Sep 17, 2022, 8:40 AM

#

plush knot you need only two correct points, then there's no need for approximation and you...

there are no speciific correct points for line a

solemn seal Sep 17, 2022, 8:40 AM

#

the problem is theres no

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2 correct points

restive river Sep 17, 2022, 8:41 AM

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yes

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approximate it

solemn seal Sep 17, 2022, 8:41 AM

#

could i do this

#

restive river Sep 17, 2022, 8:41 AM

#

2.5

solemn seal Sep 17, 2022, 8:41 AM

#

could i say it hits y at

restive river Sep 17, 2022, 8:41 AM

#

yeah

#

lol

solemn seal Sep 17, 2022, 8:41 AM

#

2.5

restive river Sep 17, 2022, 8:41 AM

#

^

solemn seal Sep 17, 2022, 8:41 AM

#

so y = mx + 2.5>

#

?

#

and then figure out m

#

?

restive river Sep 17, 2022, 8:41 AM

#

ye

solemn seal Sep 17, 2022, 8:42 AM

#

well

#

y = mx + 5/2

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y = 3x + 5/2?

#

well it goes up 3 and right 1 and hits something .5 again so

#

i guess it should be right

restive river Sep 17, 2022, 8:43 AM

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uuh

#

no

solemn seal Sep 17, 2022, 8:44 AM

#

why

restive river Sep 17, 2022, 8:44 AM

#

m = 2

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dude

#

choose 2 points

#

you got x = 0 y = 2.5 as point 1

solemn seal Sep 17, 2022, 8:44 AM

#

i mean

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4/2

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2/1

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2

restive river Sep 17, 2022, 8:44 AM

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yes

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ok

solemn seal Sep 17, 2022, 8:44 AM

#

yea

restive river Sep 17, 2022, 8:44 AM

#

thats correct

#

ok

#

please close if you're done

solemn seal Sep 17, 2022, 8:45 AM

#

would the standard form of it be

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4x - 2y = -5

#

?

restive river Sep 17, 2022, 8:45 AM

#

hmm ye

#

no

#

standard form is

#

y = mx + c

solemn seal Sep 17, 2022, 8:46 AM

#

ax + by = c

restive river Sep 17, 2022, 8:46 AM

#

okay

solemn seal Sep 17, 2022, 8:46 AM

#

thats slope intercept

restive river Sep 17, 2022, 8:46 AM

#

if thats what they ask then ok

solemn seal Sep 17, 2022, 8:46 AM

#

where ax is > 0

restive river Sep 17, 2022, 8:46 AM

#

but if not then its y = mx + c

solemn seal Sep 17, 2022, 8:46 AM

#

i mean a is > 0

solemn seal Sep 17, 2022, 8:46 AM

#

restive river but if not then its y = mx + c

ok

restive river Sep 17, 2022, 8:46 AM

#

ok

solemn seal Sep 17, 2022, 8:46 AM

#

i close it then

#

.close

restive river Sep 17, 2022, 8:46 AM

#

ok

devout snowBOT Sep 17, 2022, 8:46 AM

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Channel closed

Closed by @solemn seal

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solemn seal Sep 17, 2022, 8:46 AM

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what is this

devout snowBOT Sep 17, 2022, 8:47 AM

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tiny rain Sep 17, 2022, 9:33 AM

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devout snowBOT Sep 17, 2022, 9:33 AM

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tiny rain

tiny rain Sep 17, 2022, 9:33 AM

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Hi, can someone help me with this?
Im not sure how to continue from here

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It seems like i need 1 more equation

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<@&286206848099549185>

proper moth Sep 17, 2022, 9:49 AM

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After a^2 + 6ad + 9d^2 = a^2 + 7ad, you get 9d^2 = ad

tiny rain Sep 17, 2022, 9:50 AM

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hi

proper moth Sep 17, 2022, 9:50 AM

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hi

tiny rain Sep 17, 2022, 9:50 AM

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proper moth After a^2 + 6ad + 9d^2 = a^2 + 7ad, you get 9d^2 = ad

right

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wait so my working is wrong

proper moth Sep 17, 2022, 9:50 AM

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I think you get confused with some a's and some 9's

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the third equation up is correct

tiny rain Sep 17, 2022, 9:51 AM

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oh yeah it is wrong

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ok so i need 1 more equation

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to solve for a and d

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hmm

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rn_image_picker_lib_temp_71b63f5a-8df8-4dae-8fb1-ad39a68b9f85.jpg

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Would these work?

grim agate Sep 17, 2022, 9:52 AM

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Yes

tiny rain Sep 17, 2022, 9:52 AM

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AH

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hi deep

grim agate Sep 17, 2022, 9:52 AM

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HellO

tiny rain Sep 17, 2022, 9:52 AM

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monkagigagun

grim agate Sep 17, 2022, 9:53 AM

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tiny rain

So you get relation between a and d substitution it back in one of your ratio

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QED

tiny rain Sep 17, 2022, 9:53 AM

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yes

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lemme do dis

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rq

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wait pls

proper moth Sep 17, 2022, 9:54 AM

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(a+7d)/a doesn't equal r though right?

tiny rain Sep 17, 2022, 9:54 AM

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oh wait

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r^2?

proper moth Sep 17, 2022, 9:55 AM

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yeah

tiny rain Sep 17, 2022, 9:55 AM

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yay

proper moth Sep 17, 2022, 9:55 AM

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9d^2 -ad doesn't equal r either

tiny rain Sep 17, 2022, 9:55 AM

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wait wat

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oh right

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hmm

proper moth Sep 17, 2022, 9:55 AM

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remember the equation you got that from

tiny rain Sep 17, 2022, 9:55 AM

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yea

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uhhh

proper moth Sep 17, 2022, 9:56 AM

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a^2 + 6ad + 9d^2 = a^2 + 7ad

tiny rain Sep 17, 2022, 9:56 AM

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yea i cant really get anything from that other than comparisons between a and b

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so ill make d the subject?

proper moth Sep 17, 2022, 9:57 AM

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You can cancel terms and make 9d^2 = ad

tiny rain Sep 17, 2022, 9:57 AM

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then d = a/9?

grim agate Sep 17, 2022, 9:57 AM

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tiny rain then d = a/9?

Yes

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But you need to note its only because it’s given d is not 0

tiny rain Sep 17, 2022, 9:57 AM

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then wat do i do now

tiny rain Sep 17, 2022, 9:57 AM

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grim agate But you need to note its only because it’s given d is not 0

if its 0 whats the difference

grim agate Sep 17, 2022, 9:58 AM

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Then you get a,a,a… in ur series

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Which is not interesting

tiny rain Sep 17, 2022, 9:58 AM

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wait but i need to show that r is 4/3

grim agate Sep 17, 2022, 9:58 AM

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Okay

tiny rain Sep 17, 2022, 9:59 AM

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tinktonk

grim agate Sep 17, 2022, 9:59 AM

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You got relation between a and d

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You know r

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In terms of a and d

tiny rain Sep 17, 2022, 9:59 AM

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yes

grim agate Sep 17, 2022, 9:59 AM

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So substitute a=9d in that

tiny rain Sep 17, 2022, 10:00 AM

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OH

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I SEE IT

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OKAY

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thank

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now part b

grim agate Sep 17, 2022, 10:02 AM

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Write it out as equation firstly

tiny rain Sep 17, 2022, 10:02 AM

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oki

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rn_image_picker_lib_temp_43316ca4-72fc-4443-91b6-e83f1044f723.jpg

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then i solve?

tiny rain Sep 17, 2022, 10:04 AM

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grim agate Write it out as equation firstly

catThin4K

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wait no

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add -6 on the right

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rn_image_picker_lib_temp_f6bb774d-fdf0-489a-87df-f049ade77bad.jpg

devout snowBOT Sep 17, 2022, 10:25 AM

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@tiny rain Has your question been resolved?

devout snowBOT Sep 17, 2022, 10:55 AM

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@tiny rain Has your question been resolved?

grim burrow Sep 17, 2022, 11:02 AM

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assuming G_2 denotes the second term of the geometric series, does it say G_2=4a/3 or 49/3?

tiny rain Sep 17, 2022, 11:41 AM

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grim burrow assuming G_2 denotes the second term of the geometric series, does it say G_2=4a...

4a/3

grim burrow Sep 17, 2022, 11:42 AM

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right, then you have made a very fatal assumption, G_n is not in the form a*(4/3)^(n-1)

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they never mentioned the first term of G_n is a

tiny rain Sep 17, 2022, 11:42 AM

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oh right

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wait can u give me 3 mins

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ill brb

grim burrow Sep 17, 2022, 11:44 AM

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also, i am finding this question a bit weird, since the second term of the arithmetic sequence can't be equal to the second term of the geometric sequence, that would make the condition "the first, fourth and eighth terms in the arithmetic sequence form three consecutive terms of this geometric sequence" false

tiny rain Sep 17, 2022, 11:46 AM

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im bac

tiny rain Sep 17, 2022, 11:46 AM

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grim burrow also, i am finding this question a bit weird, since the second term of the arith...

oh yea

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hmm

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wait

grim burrow Sep 17, 2022, 11:47 AM

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they can say something like the ninth term of both sequences are equal or something like that, but definitely not the second term

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idk, could be me misinterpreting the question too

tiny rain Sep 17, 2022, 11:48 AM

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hmm

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wont that mean the first fourth and eighth terms are the first three terms in the GP tho

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wait no

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nvm

grim burrow Sep 17, 2022, 11:49 AM

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well they could mean that

tiny rain Sep 17, 2022, 11:50 AM

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ye

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then a would be the starting point for the GP i think

grim burrow Sep 17, 2022, 11:50 AM

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now that i think about it, can those three terms even form three consecutive terms of a geometric sequence tho?

tiny rain Sep 17, 2022, 11:51 AM

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the ratio would be really weird lol

grim burrow Sep 17, 2022, 11:51 AM

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but anyway, it would mean it's highly likely that the second terms of both sequence are not equal to each other

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oh well, just continue with the problem then, only the answer will tell

tiny rain Sep 17, 2022, 11:52 AM

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hmm i guess ill ask for the answers

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do u mind

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helping me with another question

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XD

grim burrow Sep 17, 2022, 11:52 AM

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uh sure

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if i know how to that is

tiny rain Sep 17, 2022, 11:52 AM

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ur a god yes

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lemme make a new help room

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.close

devout snowBOT Sep 17, 2022, 11:52 AM

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Channel closed

Closed by @tiny rain

Use .reopen if this was a mistake.

devout snowBOT Sep 17, 2022, 1:23 PM

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Available help channel!

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Remember:
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orchid pike Sep 17, 2022, 1:30 PM

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when people say size 3'10 x 5'9, is 3'10 the length?

devout snowBOT Sep 17, 2022, 1:30 PM

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orchid pike when people say size 3'10 x 5'9, is 3'10 the length?

simple spindle Sep 17, 2022, 1:33 PM

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orchid pike Sep 17, 2022, 1:33 PM

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simple spindle

find an open channel

simple spindle Sep 17, 2022, 1:36 PM

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which one

orchid pike Sep 17, 2022, 1:37 PM

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Look at the section that say Math Help (Available)

devout snowBOT Sep 17, 2022, 1:52 PM

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@orchid pike Has your question been resolved?

winter patrol Sep 17, 2022, 1:52 PM

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when people say size 3'10 x 5'9, is 3'10 the length?
context?

orchid pike Sep 17, 2022, 1:54 PM

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for a mat

devout snowBOT Sep 17, 2022, 2:24 PM

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@orchid pike Has your question been resolved?

devout snowBOT Sep 17, 2022, 2:54 PM

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Channel closed

Closed due to timeout

Use .reopen if this was a mistake.

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Available help channel!

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Remember:
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• After 15 minutes, feel free to ping <@&286206848099549185>.
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• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

spiral oracle Sep 17, 2022, 2:57 PM

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D

devout snowBOT Sep 17, 2022, 2:57 PM

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spiral oracle D

spiral oracle Sep 17, 2022, 2:57 PM

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.close

devout snowBOT Sep 17, 2022, 2:57 PM

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Channel closed

Closed by @spiral oracle

Use .reopen if this was a mistake.

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Available help channel!

Send your question here to claim the channel.

Remember:
• Ask your math question in a clear, concise manner.
• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
• Type the command .close to free the channel when you're done.
• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

mild basin Sep 17, 2022, 3:18 PM

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devout snowBOT Sep 17, 2022, 3:18 PM

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mild basin

mild basin Sep 17, 2022, 3:18 PM

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Is amplitude for this graph 1 or 2?

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Since total height from very bottom to very top is 2 in total

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Just making sure, so if amplitude always starts at 0 and in this case is 1, I will use that … if there is another definition for 2 I will use that too

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@thin gust thanks, is there another definition for lowest value? And combined value?

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Or is amplitude all we go with.. positive, negative, and 2x

thin gust Sep 17, 2022, 3:23 PM

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mild basin <@960097812211728394> thanks, is there another definition for lowest value? And ...

what does this mean?

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amp always to be written as positive numbers bec distance can’t be negative

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but u can have a negative beside it in the fn

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like -2cosx

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amp to be written as 2 still

devout snowBOT Sep 17, 2022, 3:37 PM

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@mild basin Has your question been resolved?

devout snowBOT Sep 17, 2022, 3:52 PM

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Channel closed

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devout snowBOT Sep 17, 2022, 4:42 PM

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Available help channel!

Send your question here to claim the channel.

Remember:
• Ask your math question in a clear, concise manner.
• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
• Type the command .close to free the channel when you're done.
• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

slim radish Sep 17, 2022, 4:45 PM

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https://gyazo.com/57213a2c9ee538105691af4ecd971c03

Gyazo

devout snowBOT Sep 17, 2022, 4:45 PM

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slim radish https://gyazo.com/57213a2c9ee538105691af4ecd971c03

slim radish Sep 17, 2022, 4:46 PM

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i dont know what im doing wrong

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it wants amp, period and vertical and horizonal shifts

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amp =3, horizontal shift = -pi/4

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period 2pi

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vertical shift = 0

restive river Sep 17, 2022, 4:47 PM

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wait why is the horizontal shift = -pi/4 ?

slim radish Sep 17, 2022, 4:47 PM

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arent you supposed to divide

restive river Sep 17, 2022, 4:48 PM

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?

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complete what you're saying

slim radish Sep 17, 2022, 4:48 PM

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-pi/2

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i divided -pi/8 by 4

restive river Sep 17, 2022, 4:48 PM

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...

slim radish Sep 17, 2022, 4:49 PM

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im confused

restive river Sep 17, 2022, 4:49 PM

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what does horizontal shift mean?

restive river Sep 17, 2022, 4:49 PM

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slim radish im confused

dw me too

slim radish Sep 17, 2022, 4:49 PM

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i know normally its -pi/8