Question

Solve using the square root method. x^2 - 16 = 0

Answer 1

x^2 = 16
take square root of both sides
x = 4 is one root
what is the other root?

Answer 2

-4?

Answer 3

what are number when sqaured gives 16 ?

yes you got it

Answer 4

solution set is [4,-4}