## anonymous one year ago Is this anwer right?

1. anonymous

2. taramgrant0543664

So for the bottom it can't be 4 imp for you put 4 in there it will equal 0 for the top you can't but -5 in or else the top will be 0

3. anonymous

its the 3rd one

4. anonymous

Need explanation?

5. anonymous

yeah

6. anonymous

btw can you medal her so i medal you.

7. anonymous

Your denominator can never be 0. $\frac{ (-4)+5 }{ (4)^2+4(4) -32}=\frac{ 1 }{ 16+16-32 } = \frac{ 1 }{ 0 }$ $\frac{ (-8)+5 }{ (-8)^2+4(-8)-32 } = \frac{ -3 }{ 64-32-32 } = \frac{ -3 }{ 0 }$

8. anonymous

so i would factor the bottom?

9. anonymous