Question

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

x= -8
x=-4
x= -2
x= 2
x=4
x=8

Answer 1

Steps to solve:

x² - 16 = 0

~Add 16 to both sides

x² - 16 + 16 = 0 + 16

~Simplify

x² = 16

~Take the square root of both sides

√x² = ±√16

~Simplify

x = 4 or -4

Best of Luck!

Answer 2

Answer:

X= 4

x= -4

B and E