Yes, they are! For instance, let's say you have √2. (√ is the symbol for square root incase you were unsure - don't mean to offend you.) Now, if you were to square the square root of two, (√2)², it would equal 2! Also, you can "undo" powers with square roots, and vice versa! For example, √9 = 3 and 3² = 9! Another one is, √4 = 2 and 2² = 4. Hope this helps!
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A square root is a number raised to the exponent (power) 1/2.
The square root is the number which is times by itself, to get the square number.
the square root of a number is the number that is multiplied by itself to get that number, for example the square root of 9 is 3
Nothing. You cannot have a square root of a negative number. The square root of negative one is called i, but i is an imaginary number. It does not exist and does not follow the properties of real numbers. (For example, if a and b are positive, then the square root of a times the square root of b is the square root of ab. But the square root of -7 is not the square root of 7 times i.)
The square root of a negative number is not real.