Question

Solve for x. x2 = 16 A. -4, 4 B. -8, 8 C. -16, 16 D. -32, 32

Answer 1

A. 4 and - 4

Explanation:

x^2 =16, because 4^2 =16, and (-4)^2 =16

equation has a two solutions

x=4 and x=-4