Question

Find negative square root of 16.

−4
4
±4
−8

Answer 1

The answer is -4. Square root of 16 is 4, so the negative of that is -4.

Answer 2

4 is the square root of 16, so if it has to be negative, -4 would be the answer. Because you can't find the square root of -16. It could also be +-4 because the square root of -16 is invalid. Hope this helped.