What is the square root of 4?
2 and -2 are square roots of 4. The principal square root of
A number is a square root of 4 is, when multiplied by itself, the result is 4.
There are two numbers that will work
The principal square root of a (positive) number is the non-negative square root. The symbol
Here on Socratic to type
no parentheses: hashtag sqrt9+16 hashtag gets
With parentheses hashtag sqrt(9+16) hashtag gets