Mathematics
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OpenStudy (anonymous):
College Algebra: reviewing for Final Exam!!!!
Find the vertical asymptote(s):(given below)
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OpenStudy (anonymous):
\[f(x)=\frac{ 4x-9 }{ 2x ^{2}+9x-5 }\]
OpenStudy (nicholausblackmon):
with you help me with mine before i help you with yours?
OpenStudy (nicholausblackmon):
because i already know the answer
OpenStudy (anonymous):
Is it a recent question you posted?
OpenStudy (nicholausblackmon):
im about to ask it
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OpenStudy (anonymous):
I can't promise you I'll know how to solve, but I can try
OpenStudy (nicholausblackmon):
okay. Brb taking a screen shot
OpenStudy (nicholausblackmon):
OpenStudy (nicholausblackmon):
its this one
OpenStudy (nicholausblackmon):
#13
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OpenStudy (anonymous):
Oooooo, it's geometry...I SUCK at geometry.
OpenStudy (anonymous):
Never was a big fan of it, failed the class once, pass it the second time online.
OpenStudy (anonymous):
You still need help?
OpenStudy (anonymous):
Yes I do @manhani
OpenStudy (anonymous):
so you set the denominator to equal 0
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OpenStudy (anonymous):
good so far?
OpenStudy (anonymous):
Yes, that's as far as I knew to go.
OpenStudy (anonymous):
After that, I didn't know what to do
OpenStudy (anonymous):
So what happens when you set 2x^2+9x-5=0?
OpenStudy (anonymous):
Wouldn't you try to rid of the 2 in 2x^2 and get x^2 by itself?
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OpenStudy (anonymous):
you dont have to, and you cant in the particular equation
OpenStudy (anonymous):
Because you cant divide 9 or 5 by 2
OpenStudy (anonymous):
understand?
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
So what times what will give you -10 and add up to 9
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OpenStudy (anonymous):
I mean 10 and1
OpenStudy (anonymous):
-1*
OpenStudy (anonymous):
so its (x+5)(2x-1)=0
OpenStudy (anonymous):
ohh
OpenStudy (anonymous):
then you solve it from there and plug it in to the original equation to get a#/0 and if you get 0/0 it is not a vertical asym.
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OpenStudy (anonymous):
So x=-5 and x=1/2
OpenStudy (anonymous):
yea and plug it in the original equation to get a #/0 and if you get 0/0 it is not a VA
OpenStudy (anonymous):
understand?
OpenStudy (anonymous):
Yes I do :)
OpenStudy (anonymous):
wait
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OpenStudy (anonymous):
here
OpenStudy (anonymous):
Best of luck
OpenStudy (anonymous):
Thank you very much!! I truly do appreciate it! :)