Can Root Be Negative?

Negative numbers don't have real square roots since a square is either positive or 0.

Can root numbers be negative?

So, in the land of real numbers, it is impossible for the number under a square root sign to be a negative number. To show the negative of a square root, a negative sign would have to be placed outside the radical.

What does a negative root mean?

As shown earlier, a negative square root is one of two square roots of a positive number. For the number 25, its negative square root is -5 because (-5)^2 = 25.