Question

x2 = 16

Answer 1

Work backwards as before....instead of finding the square we find the square root of 16...

\(\huge\bf{\sqrt{16}=x}\)

Answer 2

First of all, it's important that you express exponentiation properly:

x^2=16 (correct, clear)

x2=16 (vague, mathematically incorrect)

Answer 3

-4,4?

Answer 4

Correct.

Answer 5

Yes it would be 4 :)

Answer 6

x= 4 or -4

Answer 7

Please show HOW you obtained your answer.

x^2=16 actually has TWO solutions. You must find both, and explain how you did that.

Answer 8

"x= 4 or -4" is better, but can you explain how you obtained these results?