Question

Very confusing, please help

Answer 1

`√(-4) \\eq -2 \\` because -2 times -2 equals 4 not -4.

Therefore A.
`-2^(2)\\eq 4` is the answer to this question.

If you need help on similar problems feel free to ask, hope I helped :)

Answer 2

A -2*-2 ≠- 4

Explanation:

sqrt(-4)

The answer is an imaginary number

-2*-2 = 4 not -4