Square Roots and Cube Roots

Square Roots and Cube RootsSeptember 14, 2015Square RootThe square root of a nonnegative number is a number that, when multiplied by itself, is equal to that nonnegative number.Square roots have positive and negative solutions.The symbol represents a square root.Taking the square root of a number is the opposite, or inverse, of squaring the number.

Solving Square RootsSolving Square RootsCube RootTo find the cube root of a number, find the number that, when multiplied by itself two times (a total of three factors), is equal to that number.The symbol represents a cube root.Taking the cube root of a number is the opposite, or inverse, of cubing a number (raising a number to the third power).

Solving Cube RootsPractice Problem 1Practice Problem 2Practice Problem 3