Question

What is the square root of -25

Answer 1

5i

Explanation

All negative roots have i, which is an imaginary number.

i^2=-1.

Following this, the square root of -25 is 5i.

To double check:

5i*5i=5*5*i*i

25*-1=-25

Answer 2

the square root of -25 is 5i