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March 06, 2026, 04:54:50 pm

Author Topic: Need help with question  (Read 1268 times)  Share 

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Over9000

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Need help with question
« on: March 05, 2009, 09:56:07 pm »
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How to solve simeltaneous equations y=mx and y=1/(x+2) for x in terms of m
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TrueTears

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Re: Need help with question
« Reply #1 on: March 05, 2009, 09:56:32 pm »
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i shall try this one, seems dodgy lol
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Re: Need help with question
« Reply #2 on: March 05, 2009, 10:01:15 pm »
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...1

...2

so....

sub 1 to 2













using the quadratic formula yields

(damn i need to learn the command for + or - lol)

so simplifying gives:

or
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Over9000

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Re: Need help with question
« Reply #3 on: March 05, 2009, 10:01:59 pm »
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thanks truetears
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Over9000

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Re: Need help with question
« Reply #4 on: March 05, 2009, 10:05:29 pm »
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Another question I couldnt do is, list an appropriate sequence of tranmsformations that map f(x)= 1/x to g(x)= 3/(x-4) + 6
« Last Edit: March 05, 2009, 10:07:23 pm by Over9000 »
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Re: Need help with question
« Reply #5 on: March 05, 2009, 10:07:14 pm »
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hint: rearrange the g(x) formula to 'look' like the f(x) one
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Over9000

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Re: Need help with question
« Reply #6 on: March 05, 2009, 10:07:49 pm »
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I still dont get it though
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Re: Need help with question
« Reply #7 on: March 05, 2009, 10:11:56 pm »
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k well

so u do this

let g(x) = y'

so   (notice they are ' because its the image)

so let f(x) = y

so and

rearrange for x' and y' and then you have your sequences which you can write out as words.

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Over9000

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Re: Need help with question
« Reply #8 on: March 05, 2009, 10:13:00 pm »
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Thanks truetears, I get it now. Thanks for all you help  :angel:
Gundam 00 is SOOOOOOOOHHHHHHHHH GOOOOOOOOOOODDDDDDDDDDDD I cleaned my room

VCE 200n(where n is an element of y): Banter 3/4, Swagger 3/4, Fresh 3/4, Fly 3/4