Question

what are the solutions to the equation x^2= 256?
select each correct answer.
a. -128
b. -16
c. 16
d. 128
(WILL MARK BRAINLIEST)

Answer 1

square root both sides to remove power of 2:

$x = \sqrt{256}$

which can be either b or c (-16 or 16) both are the same.