Question

Which are solutions of the equation x2 – 16 = 0? Check all that apply.

Answer 1

x = 4,-4

Explanation:

x^2 - 16 = 0

Add 16 to both sides,

x^2 = 16

take the square root of both sides, this will cancel out x squared,

√16 = 4, so

x = 4, -4