Question

What are the solutions to the quadratic function x^2-16=0

Answer 1

x = ± 4

Explanation:

Given

x² - 16 = 0 ( add 16 to both sides )

x² = 16 ( take the square root of both sides )

x = ±
`√(16)` = ± 4

Solutions are x = - 4 or x = 4