#help-26
1 messages · Page 98 of 1
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.
Can someone help me break down the following
like is this saying all the elements in the equivalence class of X maps to some element in y
looks more like set exclusion than equivalence classes to me
or is the context equivalence classes?
for the former it just means you can reduce the domain and it's still a function
if f: [0,2] -> C is a function
then f: [0,1] -> C is as well
context is equivalence classes, but we use that symbol also for set exclusion
@nimble vault Has your question been resolved?
@nimble vault Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
For this
Would the answer just be c=1 or c=0
Oh wait
Ignore omds
The answer would be c=0, c=4?
what would be true about the determinant if it isn't invertible?
It equals zero?
Ooh i can sub it back in to check right
Out of curiosity would i always get two answers for a 2x2
always for what? situations where you have some random unknown as part of a random amount of entries in the matrix? i don't really know how to answer that question
Yea fair enough
some similarly constructed problems to this where you try the same idea, you might get a quadratic with 1 solution or no solutions
The next bit asks to find an expression for the inverse; im assuming u still do gauss Jordan just in terms of c?
Omds wait though u can just use the formula
Lmaooo i need a slap
Closed by @finite mortar
Use .reopen if this was a mistake.
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.
yo any help?
what have you tried?
check out #❓how-to-get-help
read through the instructions
is it a good idea to use dalemberts formula?
so when i use it i stuck at the integral
show where you are stuck
@knotty briar Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
How do i find the integral of the second part..? I dont know what method to use and if i learned it
Ive learned using long division, u substitution, basic integration, and inverse trig
you need integration by parts i believe
oh idk how to do that
https://www.khanacademy.org/math/ap-calculus-bc/bc-integration-new/bc-6-11/v/deriving-integration-by-parts-formula
https://www.khanacademy.org/math/ap-calculus-bc/bc-integration-new/bc-6-11/v/antiderivative-of-xcosx-using-integration-by-parts
https://tutorial.math.lamar.edu/Classes/CalcII/IntegrationByParts.aspx
@scenic nacelle Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
Channel closed due to the original message being deleted.
If you did not intend to do this, please open a new help channel,
as this action is irreversible, and this channel may abruptly lock.
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.
Hi

💀💀💀
how do u doi t
work backward from 999
With less work
work backward
there is literally no work involved
ohh okay ty
you only need to check like 3 numbers
Closed by @rare zinc
Use .reopen if this was a mistake.
@neon iron isn't there a more intelligent way?
u can just find the greatest 3 number divisible by 2,3,4,5
are these 4 individual questions or is it 1 question that must meet 4 conditions
its 1 question that has to meet 4 conditions i'm pretty sure
oh, no wonder
so i mean u could just find lcm
@neon iron nevermind dont work backward from 999
yea, find lcm of 2, 3, 4, and 5 and then subtract 1

man i want that emoji
so based on that statement
hmm?
you know that Q is 120% of P
Yes
and 120% can be converted to 1.2 (see percent to decimal conversion)
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.
Hey all, can someone please help me get a better understanding of the proof here? In my case I need to show that $F[a] = F[a^2]$ which I think is the same?
https://math.stackexchange.com/questions/1393510/prove-that-e-f-alpha2
So I think $a^2\in F[a]$ since F is a field, therefore we have $F[a^2] \subseteq F[a]$\
Now the next part is ok but then $x^2-a^2 \in F[a^2][x]$ because this set contains all the polynomials which $a^2$ is root of? therefore we get that the extension is indeed smaller equal 2 (degree of that polynomial) and thus it must be odd so 1.
is it right? wrong?
mtr123
@amber star Has your question been resolved?
@amber star Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
For this question i manage to get the answer but like my answer is negative while the textbook answer is positive. Is it the textbook error? Or is there some mathematical thing going on? Or did I do it wrongly? Pls help and explain. This is qudratic equations btw
Closed by @cerulean sparrow
Use .reopen if this was a mistake.
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.
hello, i have an exam tomorrow and if someone could help me to understand how to read the graph for this question
What limit do you want to evaluate first?
To evaluate the limit of ( f(x) ) as ( x ) approaches 11, you need to consider the behavior of the function near ( x = 11 ). Based on the graph you've provided, as ( x ) approaches 11, the value of ( y ) (which is ( f(x) )) appears to approach -3. Therefore, the limit of ( f(x) ) as ( x ) approaches 11 is:
$\lim_{{x \to 11}} f(x) = -3$
Is that the answer what you're looking for???
ItzJezze
@upper gale Has your question been resolved?
??
it doesn't approach -3 though?
like wym
there is no limit on x-> 11
as the approach from left side results in positive infinity and the approach from the right side results in negative infinity
Closed due to timeout
Use .reopen if this was a mistake.
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.
how would i solve sin x + cos x = 1
i know one way is to write the coefficient of cos x as tan(pi/4)
Why is it equal to 1
that is the equation
Is it possible?
…
of course it is possible
for example if sin(x) = 1/2 and cos(x) = 1/2
thats one answer
sin(x) and cos(x) can never equal 1/2 at the same time
I would also like to know the solution to this problem
Can you ping me when you find an answer please?
yeah well i know the solution
Oh?
Yes pls
$\sin(x) + \cos(x) = 1$
dqvidutzul
?
Why and how?
$\sin(x) + \frac{\sin(\frac{\pi}{4})}{\cos(\frac{\pi}{4})}\cos(x) = 1$
dqvidutzul
you write 1 as tan(pi/4)
that simple
now you multiply the whole equation by cos(pi/4)
$\sin(x)\cos(\frac{\pi}{4}) + \sin(\frac{\pi}{4})\cos(x) = \cos(\frac{\pi}{4})$
Ohhh I see
dqvidutzul
Closed by @rocky gulch
Use .reopen if this was a mistake.
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.
how do i proceed with the 8th question?
I tried making variables K = (a^2 + 2a); M = (b^2 + 2b) for both the numerator and denominator and then solved the expression but that didn't really take me anywhere
(a and b represent alpha and beta respectively)
since they're the roots of the equation above
which can be written as x^2 - px - (p + c) = 0
alpha + beta = p
alpha * beta = p + c
ok so viete's
huh?
oh what
oh shoot that was a typo lmao
oh wait no
hold on
x^2 - px - p - c = 0
x^2 - px - (p+c) = 0
sum of roots = p
product of roots = -p - c
what did you get on 5
1-c
show me your calculation
of this?
yes
wait
i dont have my phone so ill jus type it out
(1 + a)(1 + b)
=> 1 + a + b + ab
=> 1 + (a + b) + (ab)
=> 1 + (p) + (-p - c)
=> 1 - c
hows ab -p -c
product of roots is - p - c
im so tired, but somehow i dont get any of the answer you have
oh okay
can you state me viete's formulas.
what is a b and c in your case
alright
uh solving the problem directly but that just gave me a brain aneurysm
what is the numerator
also dunno why i called this the 8th question, i was talking about the 6th question lmao
what can it also be written as
(a^2 + 2a + 1)(b^2 + 2b + 1) + (a^2 + 2a + 1)(b^2 + 2b + 1)
the numerator of only one fraction
yes what this can be written as
3a^2 - pa(a+1) - 2(p+c) + 1
a = alpha
okay yeah it can also be written as a^2(3-p) - pa - 2(p+c) + 1
oh shoot yeah
how did i miss that even
wait how do i move forward tho
from that
@neon iron
im thinking
c != from 1
im thinking of calculating the solutions manually but that will make me go mad
clearly not the way
im thinking to think them through elimination
C) is clearly not the answer
atleast i wouldn't say
@jade walrus Has your question been resolved?
.close
Closed by @jade walrus
Use .reopen if this was a mistake.
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.
Channel closed due to the original message being deleted.
If you did not intend to do this, please open a new help channel,
as this action is irreversible, and this channel may abruptly lock.
.close
$m = \frac{y_2 - y_1}{x_2 - x_1}$
daniel
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.
help plsss
You can differentiate (A) or (B) and see if you get f(x)
i know this
but they what the anti derivative of f
which confuses me
a and b are wrong
can you explain why tho
cause its confusing
for nvm ig
can you explain this please
how did we know the answer is 3/4pi and 7/4pi
it's basically a definition. F is, more or less, defined to be an antiderivative of f(x)
can u help with this
0 = -sin(x) - cos(x) is the same as sin(x) = -cos(x). The only place sin(x) and cos(x) are the same is at the pi/4 values. They have different signs at 3pi/4 and 7pi/4
@fathom sequoia Has your question been resolved?
how do i know algebrically
can you please assist me in that
the only algebra to do there is adding sin(x) to both sides. From there it's knowing your trig values.
you could maybe do other trig substitutions to get it down to just sin or cos, but that's way more work than it's worth.
.close
Closed by @fathom sequoia
Use .reopen if this was a mistake.
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.
is number 17 right?
no
okay how do you do it?
whats the expansion of $(x+y)^2$
Infectia
what
if you expanded that what would u gete
this is algebra not caculas
?
i think ur doing calculus
but that doesn't seem right and no its to find the product
and the chapter were on is talking about polynomials\ and trinomials
well $(2x^2-8)^2 \neq (2x^2)^2(-8)^2$
Infectia
dude what are u talking about
$(x+y)^2 = (x+y)(x+y)$
Infectia
u r asking about number 17
.close
Closed by @brazen saddle
Use .reopen if this was a mistake.
lmao
no way
is he good?
reopen it i’ll help you
okay thank you
i didnt know what he was saying cause that was not mentioned at all during our class and notes
apologies. expanding just means multiplying everything out
so like what
so you need help with number 17 right?
yes
.reopen
✅
ok so the equation given is: $(2x^2-8)^2$
Infectia
yes
Infectia
yes
great so this is basically: $(2x^2-8)(2x^2-8)$
Infectia
now you have to multiply it out like you did for the other questions
so like i use the foil method
yep
i got u
what happened to the $-16x^2-16x^2$ part
Infectia
so terms only cancel out when its: $-16x^2+16x^2$
Infectia
nvm it -32x^2
exactly
so the equation is 4x^4-32x^2-64
yep!
thank you
np
.close
Closed by @brazen saddle
Use .reopen if this was a mistake.
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.
𝑓(𝑥) = 𝑥^2 − 2𝐴𝑥 + 𝐴^2
𝑔(𝑥) = 𝑥^2 − 𝐴^2
Describe the single transformation that would map 𝑔(𝑥) onto 𝑓(𝑥).
I am revising for an exam and completing past papers, however I don't understand this question.
I agree, this is an awkward question.
I would assume you're supposed to factor both, and recognize a pattern.
I have worked out the range for f(x) which is 0 , infinity
i have also worked out the range for g(x) which is -A^2 , infinity
*this may not be correct, i just think it is but i dont know if thats relevant anyway
i see that to make g(x) = f(x) i would need to add 2Ax here 𝑥^2 − (here) + 𝐴^2
but im stuck on that part
hmm i don’t see the single transformation
you can do it in 2 transformations pretty handily, i guess that’s what they want
how so? it does state single tranformation
could composing them just be the single transformation
convert both to a(x-b)²+c form or whatever you call it
ye i guess
so for f then a = 1, b = A, and c = 0 i think
and for g, a = 1, b = 0 and c = -A²
so f is 1(x-A)² + 0
and g is 1(x-0)² + A²
what do i do from here?
now the transformation should be easier to see
i don't see it, i have never done anything like this before
ok, then im probably not going to be able to teach you transformations of functions on the fly any better than what’s already online
im unable to find any sources that help with this question, could you reccommend any?
dont worry if not
https://www.cuemath.com/calculus/transformation-of-functions/
seems relevant enough
Function transformations refer to how the graphs of functions move/resize/reflect according to the equation of the function. Learn the types of transformations of functions such as translation, dilation, and reflection along with more examples.
i feel that because of this, it would make sense that the change is 2Ax, but I dont understand what that change is
thank you i'll give it a read quickly
@misty hedge Has your question been resolved?
when i look at the difference between the graphs when a = 1
i see that to map g(x) onto f(x), the dilation stays the same, and it translates up 1 and across 1
how do i describe this?
the vertex for g(x) is (0,-1) and for f(x) it's (1,0)
<@&286206848099549185> is there anyone that can help with this? i just need help to understand this 1 question then i will be able to do it alone
okay i think i've solved it by substituting A
would the answer be to translate/shift g(x) by the vector A,A²
does that make sene? i may have explained it wrong
<@&286206848099549185>
because no matter what the value of A is, the vertex of the parabola always moves by A,A²
.close
Closed by @misty hedge
Use .reopen if this was a mistake.
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.
can someone explain why the other answer is 5pi/6
i thought it was pi/6 and 11pi/6
11pi/6 - pi = 5pi/6
u see the "n * pi"
yes
the answer says 5pi/6 + n*pi
so it's saying that n can be any integer meaning the number can be 5pi/6 + any multiple of pi
equivalently 11pi/6 + n*pi is also a valid way of expressing the answer
though. normally u want to use the number that is closer to 0
@warm knot Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
What is a+c+b+d when a,b,c,d are integers and constant but x,y,z are variable while (xᵃyᵇzᶜ)ᵈ = x⁶y⁹z¹⁵ (d>1)
I tried to submit 31 but it is wrong for unknown reason
Show your work, and if possible, explain where you are stuck.
It is a=6 b=9 c=15 d=1 but wrong
they are requiring that d > 1 tho
so d cant be 1
can you try and find the greatest common divisor between 6,9, and 15?
3
@shrewd atlas Has your question been resolved?
So d=3
Closed by @shrewd atlas
Use .reopen if this was a mistake.
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.
In ABC triangle AB is 15 and AC is 10 what number can be equal to sinB
3/4. 4/5. 3/5. 5/6
@slender sonnet Has your question been resolved?
<@&286206848099549185>
.close
Closed by @slender sonnet
Use .reopen if this was a mistake.
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.
Help me please
Have you done part b?
Ok well there are two branches which results in the student taking biology
Either CB or C'B
You want to figure out the probabilities of those two scenarios happening, then add them together
Are the stuff I've written in the diagram correct?
0.4?
Yep
I got 0.54 as the answer to b
How do I do C?
Oh wait
I got 0.17 as the answer to c
Is that correct?
Helpppppp
@mild reef Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
How do you do this?
lol I’ve asked same question like 4 times
perhaps try the advanced channels then?
I think it’s unlikely you’ll get help here, at least not quickly
is this algebraic topology?
assuming it is, there’s #point-set-topology
@shy estuary Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
I have had a question on a test today and i need an answer i asked ai but it didnt help
2a-4b+22ab²-11b³ and i need to find all pairs for (a,b)
Did you mean "= 0"?
Oh yeah Its = 2024
I assume you need integer pairs of solutions?
Yeah
Oh and i can post where i came so far
Oh and my bad another mistake i made
Its 4a-2b
I came this far
Consider prime factorization of 2024
This ?
English not my native language so all this frases i wasnt learning them in english 😅
Its 4a-2b so you can do 2(2a-b)
I mistyped
2a(2 + 11b^2) - b(2 + 11b^2) = 2024
(2a - b)(2 + 11b^2) = 2024
So just take cases for b using the table of factors you made
Ill try
It worked for b=2
Then for 11 and 23 i got weird big numbers
Nvm even when i entered b=2 i only got correnct cuz i fucked up calculating
Wrong -
<@&286206848099549185>
@tranquil badger Has your question been resolved?
@tranquil badger Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
Hi
I need some help for this trigonometric equation plz, i need to verify the equation
@viscid yew Has your question been resolved?
@viscid yew Has your question been resolved?
@viscid yew Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
I need help with the first part of this question
I'm not sure how to construct the line integrals for the triangle
Have you plotted it?
Yeah i've drawn the triangle
Have you parametrized the curves?
you need to find the tangent vector for each individual segment of the triangle
I have
I'm trying to take a photo of what ive done but my camera isnt focussing
i'm not sure what to use as the function
@strange steeple Has your question been resolved?
.close
Closed by @strange steeple
Use .reopen if this was a mistake.
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.
Channel closed due to the original message being deleted.
If you did not intend to do this, please open a new help channel,
as this action is irreversible, and this channel may abruptly lock.
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.
can someone help me with 5?
by graphical analysis does it mean like the pictures here? https://en.wikipedia.org/wiki/Fixed-point_iteration
yes!
but like, how would I even do that using desmos? I've done 1, but 5 is confusing me.
yea it's not super obvious to me
I just picked a random point in (1/9,2/9) and it spirals out to infinity so I guess that's the idea
I see how to prove it by doing the algebra on the sets and seeing how they expand/contract, but graphically I guess you just draw a line or maybe 2 of a low/high value of the set and just follow it along a few steps until it's going down-right to -infinity
so far i have this
I mean, what else? 
uh is your tent hidden or something
here's the picture, idk how you get desmos to print it
I mean, did you include x being in (1/9,2/9) or x being in (7/9, 8/9)?
this is for 4/36 so just a random point in (1/9,2/9), not sure what a satisfying answer would look like
oh I guess the question wants you to assume 4.'s proof, where if you're in (1/3,2/3) you go to -infinity, and (1/9,2/9)U(7/9,8/9) go there in one step?
idk why you need a graph for this haha
No idea..
@distant lintel Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
im sorry if one of you has only just helped me
but how do you do |x(x-2)| >= 1
Draw graph
,tex $ |x(x-2)| \ge 1
A graph that intersect x=0 and x=2
Den you make watever below x axis to reflect upwards
suds
Compile Error! Click the
reaction for more information.
(You may edit your message to recompile.)
i wanna do it algebraically because i wont be able to do that in a test
also thats not it
because its inequality not =
no but thats different because my issue is the x(x-2)
because it makes it x^2 -2x which is a lot harder to equate to x
It's the same concept , juz different function
Lemme type
x²-2x≥1 OR x²-2x≤-1
Becomes
x²-2x-1≥0 OR x²-2x+1≤0
using the quadratic formula? really?
Solve the quadratics
That's why graph would be alot faster and helpful
Algebra in inequality sometimes will be a pain in the ass
i have no idea what you meant with the graph thing btw
|x(x-2)| >= 1
you can also try doing this w algebra if you dont want to graph
how
like apreggio did with quadratics?
oh nvm i thought they were graphing
in that case yes you have to use quadratics (well this is a quadratic anyway)
you have to do casework and its a bit tedious though
it may be easier to simply solve for the point at which it's 1 and take intervals from there
Closed by @cinder rapids
Use .reopen if this was a mistake.
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.
Symmeritc relation is A to B and b to a
Yes
Well if R and R' are not disjoint
What do you know by the definition of a symmetric relation?
@dark fog
I didn't understand this part actually
If R is a relation on A then $(a,b) \in \mathbb{R} \implies (b,a) \in \mathbb{R} \forall a,b \in A$
ColdTee
Closed by @dark fog
Use .reopen if this was a mistake.
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.
can someone help me with this question?
so what I tried so far is
use half angle identity for both the cos and the sin
then used the identity for cos3x and sin3x inside the half angle identity
then moved one side over to make the two together = 0
i was doing it on whatever scrap of paper i had left so i had to erase my work to write down new stuff
and therefore dont have any written work to show what ive been thinking of
can someone with a large brain help me out
pretty please
<@&286206848099549185>
please bless me with your benevolence!
you might be overthinking this
O
draw a unit circle or 2 graphs on a piece of paper if you dont know
cos (u - 90) = sin (u)
wuagh
what to do after unit circle
uh
i still dont understand what to do-

what can we do with that? look at the inside of cos(...) and sin(...)
hmm
maybe we can set up an eq with these and use the pi/4
what about 3/2 sin(x)
it also equals pi/4?
we should try to combine them into one eq
simple matter of adding the two
you're on the right track
yippie
keep solving that
time to do something which will let us use a property
O
O
hip hip hoorah
ok ok lets see
2.77 degrees and
87.22 degrees
but
this feels kind of weird
ohhh
wait
(x - 87.22)(x - 2.77)
make sure not to mix rad and degrees lol
dont worry master
as an average degrees enjoyer
using rad scares me
so my calculator is eternally in degrees mode
x^2 - 90x + 238.1106
does this look good
wait a second
the thingy we used earlier
was in radience
🗿
lol yes
this part right
do we have to turn into degrees
since like
lets say im using degree mode
oh
180^2
but like
we are inverse sining this thingy
i dont really understand the logic behind why we have to convert that to degrees as well
since that is supposed to be a ratio not theta


i would highly recommend using rad for this kind of thing
i'm not even sure if or how squaring degrees would be defined
a
so then even that 1 from earlier would be in rad
this is awfully confusing
well ok let me try everything in rad mode
i believe desmos uses rad so you can always check your answer there asw
(x - 0.048)(x - 1.522)
whot
wait
real

wait
you can check quadratics on desmos?
quadratics?
quack
what does this question have to do with quadratics
i mean you can enter your sin(sin ... and cos(cos ... there
ax bx c thingy
woah
ill try that in a sec
im not sure what abcd are in this question but yes
it can definitely graph a second order equation
whoa
desmos programmers are so considerate
anyways
gotta
finish
tis thing
x^2 - 1.57x + 0.07366
finally
i finished
time to check on desmos
graph be looking wild
like
if i write x = y
you dont write it out
but theres an invisible 1
so im assuming
they just want us to write it in that format
and if there isnt any constant
we just leave it as x
any ways
heres my result
it totally failed

what do i do
what were you expecting to see
have you tried zooming in
your radian results should be accurate
those are the correct roots
you should zoom in
the red lines probably intersect the roots as well
naturally sin/cos are periodic so the lines are repeating
huh
but since your question asked for x in [0, pi/2] just ignore any lines outside of that range
oh
waaaaaaaaaaait
so
its saying
these two graphs
should have the 2 of the same x and y points from 0 < x < pi/2
wait wait wait
i feel like you are confused by multiple points
maybe you can send them and ill address them
lack of precision
in your quadratic
yes
ohh
ok its starting to make sense
btw
i forgot
what is this typing of
writing down numbers called again
x^2-1.57x+0.073664591
like
i know what the quadratic is
i know what the slope intercept form is
but i cant remember what that thing is called
huh
i though like
quadratic is this thingy
oh
wait
quadratic formula and quadratic equation are 2 dif thing
man
broadly speaking any polynomial with 2 as its highest power is quadratic
the formula refers to the root finding method for quadratics
right polynomial thats what it is
ah
i see
man
my memory be eroding
i gotta do some review
anyways
grind more practice problems 
thanks so much for your help man
np
good luck
one sec tryna find the right emote

there we go
once again thanks so much good night to you my saviour @supple hornet
adios
.close
Closed by @broken holly
Use .reopen if this was a mistake.
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.
How do I answer this
I’m so confused on it
Is the horizontal speed 40
Or is that the speed it was projected at?
total speed
So what am I supposed to do first?
Also why are there 2 lines?
Nvm different angles
So would the initial horizontal speed be 40cos x
And the vertical would be 40 sin x
@gusty cobalt Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
Whey do you expect it to be
If 60% of the students wear neither a ring nor necklace, then whatever remains must wear either a ring or a necklace
So the percent of students who wear one or the other is 100% - 60% = 40%
hmm ok
what about the second then
is there a formula or a rule about this kin dof exercises
becuase i find it hard to understand the cocnept
i also have this one
for this kind of multiple percentages question, a Venn diagram would be very helpful
hold on let me draw one
i would appreciate it
A good formula to use is the following:
$|A \cup B| = |A| + |B| - |A \cap B|$
This is using set notation, which you may not be familiar with. Here is how you can read it so it makes mores sense:
The $\cup$ here stands for "or" and the $\cap$ here stands for "and"
So (ring or necklace percent) = (ring percent) + (necklace percent) - (ring and necklace)
You know (ring or necklace percent), (ring percent) and (necklace percent) , so plug in those values and solve
curry
i think i got it
don't worry
thank you very much
if you have unions and intersections then it's better using that
venn diagrams are not necessary for just two conditions but if like there's a third condition (for example, people who chew tobacco) then venn diagrams are better to visualize
i get it thank you very much
@pseudo tiger Has your question been resolved?
.close
Closed by @pseudo tiger
Use .reopen if this was a mistake.
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.
Hi is the answer to this 0.682?
@earnest arch Has your question been resolved?
Closed by @earnest arch
Use .reopen if this was a mistake.
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.
U said: Yes, that equation represents the tangent line to the function ( f(x) ) at the point ( (x_0, f(x_0)) ). The slope of the tangent line is given by ( f'(x_0) ), and the point ( (x_0, f(x_0)) ) lies on the tangent line.
Barda
To find the equation of the tangent line to a function at a specific point, you need to plug in the following values into the equation:
- ( f'(x_0) ): The derivative of the function evaluated at ( x = x_0 ), which gives you the slope of the tangent line.
- ( x_0 ): The x-coordinate of the point where you want to find the tangent line.
- ( f(x_0) ): The y-coordinate of the point where you want to find the tangent line.
Once you have these values, you can plug them into the equation ( y = f'(x_0)(x-x_0) + f(x_0) ) to get the equation of the tangent line.
𝑩𝒍𝒂𝒏𝒄𝒖𝒔
@vivid mauve Has your question been resolved?
Closed due to timeout
Use .reopen if this was a mistake.
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.
With this vector equation of (x, y) = (-3, 4) - t(-4, -1), what is the dirction vector?
Is it (4, 1) of (-4, -1)
As those two vectors are scalar multiples of each other, both are correct.
@hushed shoal Has your question been resolved?
Oh that helps thank you
Closed by @hushed shoal
Use .reopen if this was a mistake.
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.
For question 39. How did we know that the line is x = 0 and not something else?
I tried to solve it about the line y = 1, but I got a wrong solution
You mean x=1?
The line $\overline{AB}$ is given by the equation $x = 1$
curry
because the x coordinates of A and B are 1
no I tried y = 1
I'm so dumb.
I thought y = 1 was the vertical
nvm
Another question. Can we use y = 0?
me like 30 minutes ago:
It happens
the question says you need to rotate it about AB so im guessing not
Closed by @vapid seal
Use .reopen if this was a mistake.
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.
A triangle ABC is given, for which AB = AC = 18 and BC = 4. A circle of radius 7 is observed that passes through points B and C, while the center, point O,
lies inside the triangle ABC. From point A, tangents to circle are drawn that touch it at
points N and M. Find the area of the quadrilateral OMAN.
