Question

What is the positive square root of 0.25

Answer 1

The square root of 0.25 is 0.5
0.5×0.5=0.25
The negative square root is -0.5, but the positive is 0.5
So, your positive square root is 0.5.

Answer 2

$\sqrt{0.25} = 0.5 \: or \: - 0.5$
Positive square root of 0.25 = 0.5

Hope this helps. - M