Question

4. Find the zeros for 0 = x2 + 6x + 9.

a. X= 3
b. x = -3
C. X = 3 and x = -3
d. x = 1 and x = 9

Answer 1

b. x = -3

Explanation:

0 = x^2 + 6x + 9

Factor

0 = (x+3) (x+3)

Using the zero product property

x+3 = 0 x+3 =0

x = -3