Question

Find the zeros of the polynomial function.


f(x) = x2 + 9x + 20


A.
2, 10

B.
–4, –5

C.
–2, –10

D.
4, 5

Answer 1

@grace111

Answer 2

Find the zeros :3

Answer 3

0 = x^2 + 9x + 20

4 * 5 = 20
4 + 5 = 9

0 = (x+4)(x+5)

x + 4 = 0 --> x = -4
x + 5 = 0 --> x = -5

Answer 4

So, B?

Answer 5

Yes, when you plug in those values you'll get 0

Answer 6

Thanks :D

Answer 7

Yw :D