Question

Which of the following is a polynomial with roots 2, –3, and 3 ?
A.) x3 + 4x2 + 9x + 24
B.) x3 – 4x2 + 9x – 24
C.) x3 + 2x2 + 9x + 18
D.) x3 – 2x2 + 9x – 18

Answer 1

the one that is what you get when you multiply
\[(x-2)(x+3)(x-3)\]

Answer 2

http://www.wolframalpha.com/input/?i=%28x-2%29%28x%2B3%29%28x-3%29
hmm looks like it is none of these

Answer 3

My bad it's 2,-3i, and 3i.

Answer 4

\[x^3-2x^2-9x+18\] is what wolfram gets, and i would bet it is right

Answer 5

oh well in that case it is what you get when you multiply
\[(x-2)(x^2+9)\]

Answer 6

\[x^3-2x^2+9x-18\]

Answer 7

Thank You (:
Sorry about that...

Answer 8

yw
no problem