Homework Help: math

Posted by Mary Anna on Sunday, July 17, 2011 at 10:55pm.

Here are my attempts. Let me know if they are correct please> :) Thanks

Question (Find quotient): 9a^2-25b^2/3a-5b
My answer: 3a+5b

Find Quotient: y^4+3y-5/y^2+7
My answer:
y^4+3y-15/y^2+7
y^2+3y+8

Find Quotient:
This one i am confused on the ^the power signs..
6x^3-9x^2+5x+2/2x+3

math - Reiny, Sunday, July 17, 2011 at 11:08pm
The first one is correct since it factored nicely

I have no idea how you got the second answer.
It does not factor so you will have to do a long algebraic division.
I got
(y^4+3y-5)/(y^2+7)
= y^2 - 7 + (3y+45)/(y^2+7)

same thing for the last one, you need to do a long division ...
I got
3x^2 - 9x + 16 - 46/(2x+3)
math - Mary Anna, Sunday, July 17, 2011 at 11:13pm
Thank you very much. The first one is nice how it factors together. I get so lost with ones I cant factor nicely. :) Thanks you!

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