Notes on lesson on Roots | kullabs.com

#### Square Root

The square root of a number is the number that, when squared (multiplied by itself), is equal to the given number.

#### Cube Root

To cube a number, just use it in a multiplication 3 times.A cube root is a number that multiplies by itself three times in order to create a cubic value.In some contexts, particularly when the number, one of the cube roots ( in this particular case the real one) is referred to as the principal cube root.