<@&286206848099549185> ?
#help-0
coarse agate
magic geyser
lol
@pale merlin other channel pls
@coarse agate Ren was actually not done but whatever
Also u can ping helpers only after 15 mins
coarse agate
<@861466621042229289> Ren was actually not done but whatever
oh
spring zenith
Help
spring zenith
I don’t know how I can solve this quicker
upbeat gorge
Knowing the square of a binomial and difference of squares can help a bit
spring zenith
Sorry english isn’t my first language but can you check if my answer is correct?
upbeat gorge
Where are your answers?
spring zenith
upbeat gorge
Number 1 is not right
spring zenith
Oh so the second one is correct?
upbeat gorge
I’m still verifying it but i don’t think so
Yeah it’s not
Can I see your solution?
spring zenith
Wait
dreamy spruce
Guys Quick question: What is 3/^15
placid steeple
any hint anyone?
small bear
any hint anyone?
Product rule for logs. See how that relates to your problem
sinful juniper
can someone help?
wild marten
can someone help?
use the remainder theorem
sinful juniper
wait, just that?
wild marten
yes
glass lichen
remainder-factor theorem*
dim merlin
Hi there, so I've solved this linear system of equations, but the question is, "how many solutions are there?", how do I figure that out? (a^2-5a+8≠0, a^3-9a^2+23a-15≠0)
stark nimbus
does anyone here know logarithimic and exponential equations?
alpine sable
does anyone here know logarithimic and exponential equations?
Pretty sure about it.
pls help
im crying the teacher didn't even realize this
it's logarithm
placid steeple
hey guys
stark nimbus
Pretty sure about it.
thats dope, ok heres what I got, I want to be able to describe an equation similarily to how I say in a situation regarding predicting the next numbers in a graph with a linear function of y=1x+2,
x:years
y:number
Answer:this equations means that for every year, it would multiply by 1 and add 2
My question is how do I do this but with this equation that is logarithimic -64854In(x)+493943
alpine sable
thats dope, ok heres what I got, I want to be able to describe an equation simil...
Umm, what do you want to do with that logarithm?
Graph it?
placid steeple
i am very new to remainder theorem factor theorem (polynomials) and stuff related to that, can anyone please recommend youtube videos on this topic. thank you 😁
alpine sable
i am very new to remainder theorem factor theorem (polynomials) and stuff relate...
Khan Academy for everything (almost).
stark nimbus
Umm, what do you want to do with that logarithm?
like my teacher is askin "what does my equation tell about my data", so I want to explain it in a way that isn't just, the numbers will decrease or increase
placid steeple
and the organic chem tutor?
alpine sable
and the organic chem tutor?
Yeah, that guy is pretty nice as well.
placid steeple
Product rule for logs. See how that relates to your problem
thanks! by the way, the answer is (c) 1
alpine sable
like my teacher is askin "what does my equation tell about my data", so I want t...
I see. Well, I don't have much idea about curves but maybe you can answer in terms of slopes?
Like where the data will start from, where the growth rate will be max and where it will tend to follow an asymptote if there is any.
stark nimbus
Like where the data will start from, where the growth rate will be max and where...
emhm i see, this is a graph made in excel just notin, so its a scatterplot graph
alpine sable
emhm i see, this is a graph made in excel just notin, so its a scatterplot graph
Scatterplot lol
That's harsh.
Is the negative included in 64854?
-64854ln(x)+493943?
stark nimbus
-64854ln(x)+493943?
yup, thats the equation that excel gave
placid steeple
Scatterplot lol
That's harsh.
im new to khan academy, should i sign up on their website?
stark nimbus
looks like this @alpine sable
placid steeple
or just watch videos
stark nimbus
or just watch videos
i think u can just watch it directly
placid steeple
ok
alpine sable
im new to khan academy, should i sign up on their website?
Khan Academy videos are also available on YouTube but you can sign in if you want to have a courses list and syllabus and check your progress every once in a while.
Like tests and such.
alpine sable
looks like this <@456226577798135808>
I'm not the best in statistics. Maybe ask in #probability-statistics as well.
stark nimbus
alright thanks:)
alpine sable
Hope you get your answer soon!
alpine sable
im crying the teacher didn't even realize this
How much did you cry so far? 🤣
Anyway, what do you expect the first answer to be?
thorn kindle
hoary salmon
which one of these is correct?
n is an integer
$$i = e^{i(2n\pi+\frac{\pi}{2})}$$
$$i^i = (e^{i(2n\pi+\frac{\pi}{2})})^i$$
$$i^i = e^{-(2n\pi+\frac{\pi}{2})}$$
ocean sealBOT
Manjot1151
dull onyx
im sorry what
noble sinew
Multiply and divide by the conjugate
dim merlin
@craggy basin
craggy basin
hi
dim merlin
Sup
craggy basin
do you have a example
jagged ermine
a geometric series is a series where the ratio between two consecutive elements is constant @craggy basin
For example 1/2 + 1/4 + 1/8 + 1/16 + .... each element is half of the previous one
dim merlin
Ym
craggy basin
tysm
jagged ermine
if you think of it as a pie chart you can see how it converges to 1. Every time you add a new number n to the sum S it is apparent that S = 1 - n
For instance S = 1/2 + 1/4 + 1/8 + 1/16, the last added value is n = 1/16 and S is very close to 1, being 1 - 1/16. As n gets smaller and smaller S gets closer to 1
narrow carbon
helooo, i just have a question
if you bought a car and paid the down payment ij advance, is that included in the price of the car?
placid steeple
guys can anyone explain how this equation is simplified to -4/5*C=32
tidal ocean
does anybody know what a graph dilatation is?
crisp grove
does anybody know what a graph dilatation is?
$f(x) \mapsto f(x/a)$
ocean sealBOT
Ryuzaki
tidal ocean
$f(x) \mapsto f(x/a)$
and what im supposted to do if i have g(x)=2f(x)
how do i draw the graph for 2f(x)
ocean sealBOT
Requested by Ryuzaki#5323
plucky granite
What's the point of intersection there is no coordinates I have established that a is 3 by substitution don't know the Intersection thing tho
crisp grove
,w plot x^3 and 2*x^3
ocean sealBOT
unborn dome
can someone help me out with this?>
warped phoenix
alpine nacelle
a is not 3/5
lapis sluice
factorize the polonomial into real factors $z^6 + 4z^3 + 16 = 0$
ocean sealBOT
Danajax
lapis sluice
I have found the complex roots of the expression
lapis sluice
i am asking for help myself
crisp grove
lol
lapis sluice
my bad perhaps i should go to another channel
misty wolf
Multiply it by 1
Or in this case, 4-2sqrt/(3)
As then you rationalise the denominator
misty wolf
^
sharp barn
yeah i think i did something wrong
can u check what did i do wrong?
@misty wolf sorry for ping
misty wolf
Your denominator is wrong
And 4sqrt(3) * 2sqrt(3) Isnt 8sqrt(3)
Thanks for the ping lol, was about to quit discord
2sqrt(3) * 2sqrr(3) Is 2 * 2 * sqrt(3)^2
Which is 4 * 3 = 12
For the other one, 4 * - 2 * 3 = - 24
Remember that if u have a scientific calculator it's always good to check
sharp barn
hmm it says not to use calculator tho
and its kinda hard to read what ur saying but if u can pls write it down or sumthing if not isok'
@misty wolf dont know if i should ping or not
misty wolf
Calculator is for solving it as u only get marks for working out
Basically, if you have a * rt(b) and c * rt(d), if u multiply them you get ac * rt(bd)
sharp barn
yea would be thankfull if u dont mind writing the working out if not isok
misty wolf
So you need to make sure you have all the variables multiplying each ofher
Can't as I just started work eek
sharp barn
oh isok
lapis willow
For this question using the discriminant b^2-4ac it results in no real root, correct?
azure badger
21
lapis willow
Discriminant is a function of b
My bad, B^2+480, so b^2=-480 then square rooting -480 becomes an imaginary number
dull onyx
its not a negative number
glass lichen
You don't know b
lapis willow
Then how would i find b
lapis willow
Unless you have an actual question
So then how would I write the answer with explanation
lapis willow
Find b?
glass lichen
You need 2 real roots to exist, then quad formula to give integers
lapis willow
I don't understand
glass lichen
b^2+480>0 for all b, so this function always has roots, then you need to factor it so that there are integer roots
tidal ocean
lapis willow
So there are 2 real roots here
dull onyx
the channel is being used
tidal ocean
wdym
dull onyx
people r asking questions?
tidal ocean
ye
alpine sable
how do i draw 2f(x) graph if thats f(x)
At every unit, get the y coordinate of that point and multiply it by two, then draw that point and connect the lines.
tidal ocean
At every unit, get the y coordinate of that point and multiply it by two, then d...
and what if i have f(x) = cos2x
and T=π
alpine sable
and what if i have f(x) = cos2x
Multiplying the x inside the cos or sin functions will only alter the period of the function, which was 2pi and now is pi.
Just draw the important points and try to squiggle around them, I'd say.
brittle pier
42a + 32b = 17find two integers a and b, how do you do this?
alpine sable
For b in terms of a:
42a=17-32b
a=(17-32b)/42```
For a in terms of b:
```42a+32b=17
32b=17-42a
b=(17-42a)/32```What ram means is there isn’t one solution to the problem
Oh, yeah
brittle pier
yeah
gilded thistle
Hyperbola
F1=(0.33,0)
F2=(8,0)
Would like to find C, A, B
Tried to learn it from scratch then decimals appeared
I guess I can ping helpers now
<@&286206848099549185>
I guess it's not specific enough i guess?
glass lichen
???
jagged ermine
sorry 2/5
strong furnace
I guess it's not specific enough i guess?
|d_2-d_1|=2a is what you have to use
ocean sealBOT
/home/Spaghettino🌸☢
jagged ermine
wow it detects the edit
strong furnace
difference of dstance from focii is 2a where a is semi major axis
alpine oriole
**/home/Spaghettino🌸☢**
this is helpful :p
jagged ermine
tomorrow is my maths test, can u help me solve this? im 1st grade on college
so your expression becomes 2/5 - 3/4.. Now, to get both in the same fraction you need to have a common denominator. Here is the way to do it:
2/5 = (2*4)/(5*4) and 3/4 = (3*5)/(4*5)
That is multiplying both numerator and denumerator by the same number, the fraction is the same
Notice that now both fractions have the same denominator, 20.
You get: 8/20 - 15/20, which now can be merged in a single fraction: (8-15)/20 = -7/20
alpine oriole
so your expression becomes 2/5 - 3/4.. Now, to get both in the same fractio...
thanks, that was helpful
i'll ask at anytime when i dont undrestand something, tomorrow is my maths test
strong furnace
2a is 4.165
now how did you come to that conclusion>?
strong furnace
why would you do 8.33/2?
gilded thistle
....
Yeah....
It's never mentioned in the books to divide it
Just not used numbers below 1
gilded thistle
Yeah...I shouldn't asked this one
strong furnace
I don't see how 0.33 being a number less than 1 is relevant
gilded thistle
So d is 4
charred vortex
: P
open rose
Can any one help me with eigon vector.... Share some resources about that
gilded thistle
So... x²/4-y²/7.74=1?
plucky granite
Is this channel empty?
alpine oriole
what is PGCD (17;25)? i dont think its possible with 17
small bear
yeah, if you were given that |x| is defined as x sgn(x) this is a good approach
if you can choose |x| = sqrt(x^2) the proof is a lot faster and doesn't require cases, but that is good
sly mantle
i see no good reason to use sgn
pallid sail
my math classes on my uni just started
the professor told us to prove this using axioms he gave us
|x|=sgnx was one of them
idk how else to do it
sly mantle
the cases you used are such that you don't have to worry about using sgn
"if x>0 and y>0 then xy>0" should be clear enough, or even outright given depending on how your prof defined order on R
lethal flower
if a integer of a mixed number is negative does that mean the fraction attached to it is negative?
hasty gale
could someone please explain to me the differences between mutually exclusive events and Complementary events?
safe crypt
could someone please explain to me the differences between mutually exclusive ev...
hey man
complementary evens occur if and only if the other event didn't occur
if a mutually exclusive event occurs, you can know that the other event didn't occur
but other shit can still happen
hasty gale
but other shit can still happen
what do you mean by this
so are you saying
mutually exclusive events could describe a portion of the sample space
whereas a complementary event describes the entire sample space?
hasty gale
understood
and just to add on, mutually exclusive events can not be independent events right?
safe crypt
wait sorry, I missed something
mutually exclusive can't happen at the same time
independant is when something happening doesn't change the chance of something else happening later
hasty gale
yea so technically mutually exclusive events do affect the other events probability so they cannot be independent right?
safe crypt
nah, mutually exclusive is at the same time so not neccesarily
like, if I roll a dice
it's mutually exclusive that I roll a 4 oir a 6
it's complemtary that I roll an odd or even
it's independant that I roll a 4 then a 6
hasty gale
So you are saying the two modifiers independent and me are just two different concepts, and requires different number of tries so I can't really say one is a subset of another?
safe crypt
ME is when it's one trial
for example, the 4 and the 6 are mutually exclusive
but I could be eating pizza while I get the 4
those two events are not mutually exclusive
hasty gale
right
safe crypt
independant is if it affects the probability of future events
hasty gale
you mean complementary?
hasty gale
independant is if it affects the probability of future events
but doesnt independent mean that it does not affect future events?
safe crypt
but doesnt independent mean that it does not affect future events?
yep
of those independatn to it
safe crypt
oh right righ
no problem, good pf !
bleak ridge
Or put another way, mutual exclusivity and independence aren't mutually exclusive
👁️👁️
hasty gale
Or put another way, mutual exclusivity and independence aren't mutually exclusiv...
hahaha good one
warped ember
Can natural numbers be decimals?
alpine sable
how on earth do i do this what is this
wild pebble
Can natural numbers be decimals?
No
warped ember
Ok.
wild pebble
how on earth do i do this what is this
prime numbers are 2,3,5,7,11 and so on
so prime factors are factors of a prime number
wild pebble
2 is a prime number
and 5 is a prime number
4 is not a prime number
you can do that one by elimination
safe crypt
write 80 as the product
if you times stuf ftogether it's the product
like 30 is the product of 6 and 5
wild pebble
yup
wild pebble
80 is product of 8x10
alpine sable
so what it's asking me is
i need to like
figure out a pair of prime factors
of 80
that times together to make 80
wild pebble
10 is not a prime so it is not C also 4 is not a prime so it is not A
alpine sable
so it's B?
wild pebble
do you see any nonprimes in B?
wild pebble
np
shut temple
viscid orchid
someone please solve this and tell me what they got
wary stream
someone please solve this and tell me what they got
No, we're not here to do your work for you
viscid orchid
Can you check over this to make sure I did it right?
I did the work
I just want someone to check
Fuck you guys this server is useless
safe crypt
Fuck you guys this server is useless
"pls help me daddy" is a better attitude
if you wanna be spoonfed
quartz osprey
lmao
how would i go about solving this problem
i would have to isolate x right
i can multiply top and bottom by rt x
well i need to figre out how to combine them first 🤪
ocean sealBOT
Yeetus
ocean sealBOT
Yeetus
quartz osprey
wait why 12/12 on the other side
oh get same bottom
oh yea
ngl i forgot abou tthat lol
fickle pewter
quartz osprey
from here all i care about is the top though right
so 4x sqrt x-108
alright
yea got itr
x sqrt x = 108/4
ngl idk how to combine the x sqrt x
i can square it
but then its x^2 x
ocean sealBOT
Yeetus
alpine sable
And try not to ask the question 10 times, you can ping the helpers role once and you'll get help faster than reposting the question.
What’s a x intercept
And a y intercept
Is it just 1 number
Or like 2 with a comma
quartz osprey
idk ususlay try not to ping helpers
safe crypt
What’s a x intercept
it's where the line cuts the x axis (so y = 0)
for example, (0,1) would be an intercept
thin harness
100°
obtuse matrix
I have been stuck on this question for so long
small pumice
I have been stuck on this question for so long
thats ez
obtuse matrix
Yes but I’m dumb and I joined this server for this question
That’s how desperate I am
obtuse matrix
How old r u
13
small pumice
exactly
obtuse matrix
U learn this stuff when ur 10
Sorry the American school education sucks
obtuse matrix
And stop lying bout ur age
I seriously am 13
alpine sable
There’s no way anyone can struggle with that problem
obtuse matrix
alright can you give the answer so I can leave this damn server then
small pumice
yea ikr
amber gulch
alright can you give the answer so I can leave this damn server then
just leave
your underaged
obtuse matrix
Jesus Christ
alpine sable
No I don’t wtf
small pumice
im a teacher there
alpine sable
Same
obtuse matrix
So some fucking teachers can’t do their jobs
amber gulch
So some fucking teachers can’t do their jobs
fuck off
amber gulch
my man asking for 2nd grade answers
obtuse matrix
Do you even know the answer
amber gulch
Lmfao yes i do
alpine sable
Buddy go back to kumon server
small pumice
sir
alpine sable
Don’t tell him the answer
obtuse matrix
Lmfao yes i do
Then tell me it so you can get 300 Ibs ass off your chair and go to get more food after your parents still have to care for you for the next ten years
amber gulch
Lmfao this kid mad funny
obtuse matrix
Lmfao this kid mad funny
Thanks man
amber gulch
so thirsty for the answer
obtuse matrix
so the Ashley is 30 years old
And you lied
obtuse matrix
That doesn’t add up to 58
amber gulch
Because we dont give answers
obtuse matrix
Ok thank you then
obtuse matrix
Now you guys can fuck around on your greasy tubs of lard asses (except you Danielle)
small pumice
ty ty
he left
lmao
Did i ask??
does it look like i gaf
lets be honest
only a Flippen nerd would read the rules
tym
tysm
sacred sapphire
bruh
stiff forge
why's it so toxic in the Math discord LMAO
stiff forge
only a Flippen nerd would read the rules
wouldn't only a nerd be in Mathematics official discord? xd
charred pier
Hey quick question
how do I calculate the increasing concentration of chlorine in a tub that's being emptied of 50L per minute but also filled 50L per minute with the new chlorinated solution?
exact question is
"After the plunger is completely filled with water, we realize that we forgot to add the chlorine mixture. This one consists
of chlorine and water, and the concentration of chlorine in the mixture is 0.5 grams / L. The mixture is added evenly
at a speed of 50 L / min. Since the tub is already filled, we open a lock at the bottom so that water also
released. The water at the bottom of the tub is discharged at the same rate, 50 L / min. We assume that the chlorine mixture
mixes quickly and evenly with the rest of the water in the tub.
j) How long does it take before the concentration of chlorine in the tub is 0.4 grams / L?"
safe crypt
@charred pier what's your equasion of clorine in the tub?
charred pier
originally there's zero chlorine in the tub
safe crypt
yep, and how quickly is it being added and removed?
charred pier
but it's being added at a rate of 25g per minute given the rate
0.5*50L per minute
and 50 liters are being removed every minute
which keeps overall volume constant
safe crypt
yep, but how much clorine is being removed?
charred pier
that's an unknown that I'm unable to find
I get this is probably a differentiation but I have trouble actually visualizing it
oops old one
safe crypt
wait you know the volume of the tub?
charred pier
well
you're ignoring that we consider the chlorine is drained with the 50L/min being drained from the bottom
charred pier
so I need to add a decay factor to my concentration right? That is less than the growth factor
safe crypt
actually there might be an easier way to do it
which subject is this?:
yeah the growth factor is uniform
charred pier
uh, I'm in first year of uni, most of that paper was integrals
I don't know exactly what subject this would be
safe crypt
if it's calc I might be doing it wrong
viscid orchid
"pls help me daddy" is a better attitude
Fuck you
charred pier
well that added part of "when is it 0.4" really makes me think this should put in an integral with lower bound being 0g/L and upper bound being 0.4g/L
abstract jay
Fuck you
Sorry there’s a lot of people with egos bigger than the amount student loan debt is in America
charred pier
yeah that looks alright actually
safe crypt
then 25x - x^2 /2663
charred pier
I think I was stuck making it more complicated than necessary
charred pier
uh that's not exactly how you do an integral, you forgot C
safe crypt
ye I'm a lazy boi
charred pier
Yeah I'll hammer it out if the result ends up being insane
half prairie
Hey! How do I go forward to derivate this: y=lnx/3x? Not sure how to start
Do I get some sort of 1/x/3x? not even sure if thats a thing but since y=lnx is 1/x right
dim oasis
half prairie
allright thank you
safe crypt
ok, how do you get rid of the 17.4?
patent lotus
sorry
^thats the question
but how do i get rid of 4? i would put it as the exponent i would divide both sides by 4 i think
spiral tree
@safe crypt after u finish with him can u help me?
patent lotus
then you have ln(2x+3) = 11
ln(2x+3) = 11/4?
spiral tree
it’s geometry😩
safe crypt
<@741181949254565949> after u finish with him can u help me?
nah lmao you just want me to do homework
fk off
patent lotus
^^
safe crypt
ln(2x+3) = 11/4?
yeah, so how do we get rid of the ln?
patent lotus
yeah, so how do we get rid of the ln?
log_e?
safe crypt
yeah, you know e ^ ln(x) = x right?
safe crypt
so what's the equasion now?
safe crypt
yee
safe crypt
that formatting tho lmao
patent lotus
hey stfu
vast helm
Hello! I have been studying linear algebra recently and I can not manage to solve this problem using Gauss–Jordan elimination method.
wanton folio
log_e(2x+3)=11/4
log_e
patent lotus
shhhh
vast helm
x1 + x2 + λx3 = 1
x1 + λx2 +λx3 = 1
λx1 + x2 + x3 = 1
This is the place where I got stuck:
| 1 0 λ+1 | 1 |
| 0 λ-1 λ+2 | 0 |
| 0 0 2-λ(λ+1) | 1-λ |
thats why ur in pre alg @wanton folio
wanton folio
pre algebraic geometry?
patent lotus
preaglebreic ur mom
vast helm
```
| 1 0 λ+1 | 1 |
| 0 λ-1 λ+2 | 0 |
| 0 0 2-λ(λ+1) | 1...
I know I have to eliminate element 1, 3 and 2, 3 through 3, 3 but I can not figure it out 😅
safe crypt
/| is a constant?
wanton folio
$\lambda$
safe crypt
I know I have to eliminate element 1, 3 and 2, 3 through 3, 3 but I can not figu...
i think you just made a mistake somewhere
first col and second col first right?
vast helm
Yeah, I did check the answers and lambda comes out as 1/lamda+2
vast helm
Yeah I started from the first one down
safe crypt
can you post your working
vast helm
first eliminated elements in the first column and then in the second
wanton folio
x1+x2+lx3=x1+lx2+lx3
patent lotus
hola someone na help me in questions-1?
safe crypt
I haven't got discord on my phone soI shall write a nice graph
vast helm
What do you mean?
vast helm
How did you remove the element in the 1st row, 3rd col at the beginning?
safe crypt
first rowtimes lambda then first - third, but I'm sleepy so i might make error
this is the second operation?
vast helm
Hmmm, what is lambda for you at the end?
/-1 divided by /^2 -1?
Oh no
I made a mistake
vapid oak
the carrot symbol
safe crypt
ye
vast helm
x1 + x2 + λx3 = 1
x1 + λx2 + x3 = 1
λx1 + x2 + x3 = 1
This is the problem
Ahh
I apologize
vast helm
That's why I got confused in the beginning
vapid oak
what is the decapitated stick figure used for
vast helm
lambda 😄
vast helm
Let me try rewriting it on paper
So that you can see where I get stuck
I might also be tired because it's 2:40 am here and I feel like I'm making the same mistake over and over again
wanton folio
You can use this website to share latex: https://mathbin.github.io
vast helm
I don't know any latex
wanton folio
this site might help: https://detexify.kirelabs.org/classify.html. you will get used to latex very soon, it's makes sense.
alpine sable
how do i find the domain and range of a graph
alpine sable
whats that
vast helm
Oh, it's for my question that I asked above
alpine sable
latex?
vast helm
No clue how to use it. I should learn it. But this isn't happening tonight at 3 am 😄
vast helm
I doubt it. I actually just started studying domains and ranges in discrete maths
alpine sable
what math u in rn
vast helm
I don't know exactly. I'm studying discrete, linear algebra and math analysis right now
vast helm
is that dot multiplication?
alpine sable
I don't know exactly. I'm studying discrete, linear algebra and math analysis ri...
ok so all i know if ur not in 9th grade
alpine sable
is that dot multiplication?
no its algebra
safe crypt
no it isn't lol
alpine sable
my math teacher lied then
safe crypt
it's just a statement, you can get the result if you plug it in to a calculator
vast helm
It's -20 as long as the dot is for multiplication lol
alpine sable
howd u get -20 though
vast helm
How much is -2 *-2 *-2
vast helm
No
vast helm
Lol
alpine sable
?
leaden field
bruh what are you discussing
safe crypt
It's -20 as long as the dot is for multiplication lol
hey
the thing at the bottom looks awful like a quadratic
leaden field
okay how come 222 = 6?
safe crypt
this I mean
vast helm
Yeah I noticed that
vast helm
I don't know how to properly transform it
leaden field
nqel in what grade/level you are studying?
alpine sable
nqel in what grade/level you are studying?
9th grade algebra 1
safe crypt
@vast helm 2 - /(/-1) = 2 - / ^ 2 - / = -1(/^2 + / - 2) = -1 (/ + 2) (/ - 1)
or something?, shoud get / + 1 somewhere in there
leaden field
🙄
alpine sable
what
leaden field
and 2 * 2 *2 =?
alpine sable
ok
leaden field
so if you have 3 minus signs in a multiplication the answer would be positive or negative?
leaden field
okay good
alpine sable
unless youre subtracting a negative
restive hill
Hello can anyone help me?
alpine sable
cause if you subtract a negative it just turns positive
vast helm
<@!132238308854988800> 2 - /(/-1) = 2 - / ^ 2 - / = -1(/^2 + / - 2) = -1 (/ + 2...
So something like this
alpine sable
oh wait i have one more question
how do i solve this one
because the x and y dont go into eachother
safe crypt
So something like this
yeah, but it should be lambda + 1 somehow so you can eliminate everything I think
(lambda + 1 )(lambda -2)
vast helm
Yeah, this is what I am trying to figure out. What is baffling me is that this is one of the easiest ones of this type
modest dragon
i guess this one is clear
i need help to find the area in this 2 fuctions
this is what i came so far
safe crypt
Yeah, this is what I am trying to figure out. What is baffling me is that this i...
well if it's the equasion you've typed, you missed a double negative
but go to bed lmao
misty sphinx
is this triangle congruent?
vast helm
I can not go to bed calmly without solving this thing 😄
safe crypt
o he's listenin to mac
modest dragon
is this triangle congruent?
any more info?
safe crypt
I can not go to bed calmly without solving this thing 😄
?
modest dragon
is this triangle congruent?
if VWX and UTS are the same angle so yes, but seems to be not
cause they didnt tell you that info
misty sphinx
if VWX and UTS are the same angle so yes, but seems to be not
oh okay thank you!
ripe zenith
how did they get a/3. I understand the /3 part but where is a coming from?
if its u-substitution shouldnt there also be a 1/a?
vast helm
I might just about call it a day and just ask tomorrow at my algebra seminar. I'm very thankful for the time you spent on this problem! If you manage to solve it, I would be very happy to see the solution tomorrow morning. Thank you and goodnight! @safe crypt
safe crypt
I might just about call it a day and just ask tomorrow at my algebra seminar. I'...
same night m8
wanton folio
@ripe zenith u=y/a-1 which means y=ua+a and this means dy=adu
ripe zenith
@wanton folio Thank you so much I see now.
late parcel
Is this channel open now?
wanton folio
no problem. but I find the way its written in the image weird and confusing nonetheless
late parcel
wanton folio
why wouldnt one simply evaluate u^2 and change bounds?
@late parcel what do you think is the right answer?
late parcel
I thought D but I know it’s C
Don’t know why though
Could I get a full walk through
ripe zenith
@wanton folio its a khan academy problem. this is what it was originally.
late parcel
@ripe zenith channel occupied
I’ll repost my question
I know a min is created with a negative on left and positive in right
late parcel
Oh wait I see why it’s C
I think it’s because C gives you a concave up which gives you a minimum
night narwhal
Need help anybody using this channel
late parcel
I could use some
night narwhal
I need help with calc 2
night narwhal
Say D
late parcel
Wait what
night narwhal
Since it is ibncreasing in postive value and with being detriaitve it would be increasing still
Still be positibve
late parcel
It’s a negative slope their
At D has a negative slope
All the numbers are positive right
night narwhal
Right and yes numbers are postive since all numbers are above the x axis
It would be easy with having numbers but want to make sure with the detriaitve that once taken still be positive
I would be A then
late parcel
How do you check
If the derivative is positive off of a graph
A has a negative slope
vapid oak
If the graph is increasing, that means the derivative is positive
night narwhal
Yes would says the samething and that would be E
and sorry about that as been a while since taking it
late parcel
So A and D are eliminated because they are on a decreasing slope
night narwhal
@vapid oak is good at it
vapid oak
huh
ripe zenith
At D it looks like the slope is 0
late parcel
What is the answer
ripe zenith
nvm
vapid oak
that's definitely not true, are you thinking of B
ripe zenith
yeah d is decreasing
vapid oak
A and D are decreasing
Well if A and D are decreasing, what else could the answer be?
late parcel
B, C or E
vapid oak
Well there are multiple answers
late parcel
They all look the same to me
vapid oak
is B increasing?
late parcel
No
ripe zenith
its going up at C and E
late parcel
So it’s not B
vapid oak
exactly
ripe zenith
B its 0
vapid oak
so its not A, B or D
vapid oak
they are both right
late parcel
?
vapid oak
they are both increasing so its both of them
late parcel
How
wanton folio
@late parcel in the first image you showed C is correct
late parcel
It’s a multiple choice assignment
warped mantle
vapid oak
It says for which values so claelry it wants more than 1 answer
late parcel
But I physically can not put C and are on this assignment
vapid oak
well thats the mistake of whoever made the question then
late parcel
But the mechanics of college board won’t let me
vapid oak
im saying
thats the problem of the college board
put either C or E, theyre both correct
late parcel
Hmm
ripe zenith
Answer is E
late parcel
Ok I’ll ask my teacher tomorrow
ripe zenith
Here is why
late parcel
Why? @ripe zenith
night narwhal
Awesome I got correct
alpine sable
night narwhal
Yeah
alpine sable
Help?
ripe zenith
its asking about the second derivative too
late parcel
Where
ripe zenith
See its saying where is the derivative positive and where is the derivative increasing
which is the second derivative
basically is the derivative a positive value and is the derivative getting bigger and bigger
ripe zenith
Yep
quick surge
Help?
not hard... just put the x inside to the y = -3x + 2
example x = -2,
y = -3(-2) + 2
y = 6 + 2 = 8
late parcel
Ok thanks
ripe zenith
How are these equivalent?
wanton folio
yes go ahead
ripe zenith
Thank you daniele_danielo
wanton folio
you can call me daniel
late parcel
But A has no POI
Oh wait it’s C or D
It’s C right
Wait bruh
Is mine C
I’m pretty sure it is
wanton folio
what are points of inflection (im not a native speaker, i only know higher level maths language)
extrema?
late parcel
POI is where concavity changes
vapid oak
A point of inflection is a point where a function has a derivative of 0, but the derivative does not change sign
late parcel
In between different concavity
vapid oak
POI is where concavity changes
or this, better explanation
wanton folio
i think D
raw shard
bruh
feral gust
what
quartz sage
Someone find this outlier and explain how you did it using the 1.5 IQR method: 122 143 70 98 84 126 114 98 85 104 71 77 111 108
wanton folio
ah no C
peak solstice
shell brook
Is anyone able to help me understand what this is saying? I'm really confused on how to understand it, for example, one of the questions asks to find the kernel, but i'm not sure where to even start...
glass lichen
Is anyone able to help me understand what this is saying? I'm really confused on...
if it wants $ker(T_n)$, then you want all f st $f''(x)-n^2f(x)=0$
ocean sealBOT
Mosh
glass lichen
since for linear L acting from V to W, $$ker(L)={v\in V|L(v)=0_W}$$
ocean sealBOT
Mosh
glass lichen
All the stuff in your ss is just preamble set-up to refer to for the question, ie defining the IP, norm, and distance b/w functions in F
wanton folio
Is anyone able to help me understand what this is saying? I'm really confused on...
what do you not understand exactly
shell brook
All good, I just got it explained to me, I didn't notice the function being given in the question so was confused as to what I was finding the kernel of, thanks!
atomic lodge
hollow cedar
scenic sable
helpppp meeeee im in pain
silver dew
$x^{-n} = \frac{1}{x^n}$
ocean sealBOT
gramschmidtty
scenic sable
no i dont understand how to simplify
misty bridge
yo when you guys are done please sav eme
silver dew
$\frac{x^a}{x^b} = x^{a-b}$
scenic sable
so its 1/6g^5 divided by 1/5g^8
ocean sealBOT
gramschmidtty
astral robin
-5-(-8)
silver dew
the 6/5 stays as is
scenic sable
so where do i put the indices?
ocean sealBOT
gramschmidtty
scenic sable
so i get 6/5g^3 yes?
tired drum
How would you factorise X^2 + 2ix + 3 over complex numbers?
silver dew
so i get 6/5g^3 yes?
yeah. with g in the numerator.
scenic sable
like this?
silver dew
u got it bud
scenic sable
yay okay thanks so much gramschimidtty
next ridge
I have been given this for some revision, and i am a slight clueless on what i means....
tight locust
absolute error is plus or minus 0.7
relative error would be plus or minus 0.7/(100+98)
next ridge
Do you know the formula?
tardy pulsar
off topic but does anybody have an invite to the chemistry discord server?
carmine lion
celest gorge
coral marsh
hi guys
i have been doing high lvl meth for 10 yrs
i have nvr seen a question so hard before
can anyone help me?
charred flint
POST IT
alpine sable
Can I get some help @charred flint
charred flint
POST IT
alpine sable
charred flint
DRAW THE LINES
coral marsh
yea ikr
alpine sable
Where do I draw the lines
wary stream
Stop posting in multiple channels
alpine sable
No ones helping me so what am I supposed to do
charred flint
STOP POSTING
wary stream
So? Don't post in multiple channels
coral marsh
stop using caps
wind river
tight locust
shell narwhal
