Question

Im not understanding this question

Answer 1

The correct answer A

Answer 2

It's said "The value √-9 is not -3 because --------------------

So you need to prove why -3 is not the value of √-9.

As you know (-3)^2 = (-3) * (-3) = 9, ≠ -9

Answer is A.

(-3)^2 ≠ -9