Question

If x = −2 is a zero of the polynomial function f(x) = 2x3 + 9x2 − 8x − 36, which of the following is another zero of f(x)?
Select one:
a. x = 8
b. x = 4
c. x = 3
d. x = 2

Answer 1

Do you know synthetic division or long division?

Answer 2

zero is also known as root...
https://en.wikipedia.org/wiki/Zero_of_a_function
U can try to substitute all the options in the function...
If u get f(x)=0,
therefore,that is the answer...

Answer 3

\(f(8)=?\)
\(f(4)=?\)
\(f(3)=?\)
\(f(2)=?\)