The square root of negative one is "i," the imaginary number. This concept is immensely useful in mathematics, as it allows for there to be square roots of negative numbers, which is otherwise not possible using only rea... More »

Technically, the square root of a negative number cannot be taken, but if imaginary numbers are allowed, the answer would be 2i. It can be tempting for those people just learning how to deal with square roots to assume t... More »

The positive square root of 900 is 30. Similarly, the negative square root of 900 is -30. The positive square root, 30, is also known as the principal square root of 900. More »

Simplify a cube root expression by factoring out the cube of a whole number if one is present. Continue factoring until the expression no longer contains the cube of a whole number, and solve for any cube roots of whole ... More »

The square root of 576 is 24, since the number 576 is the product of 24 squared. The square root of a number is arrived at by obtaining the factors of the given number. More »

The square root of 28 is 5.29, rounded to two decimal places, as 28 is not a perfect square. The square root of a perfect square is a whole number and not a decimal or fraction. The square root of 25 is 5, as 25 is a per... More »

The square root of 63 is 7.93. The square root of a number, expressed as the variable y, is another number, expressed by the variable x, that when multiplied by itself equals y, as in the formula x times x equals y. More »