Learn about the square root symbol (the principal root) and what it means to find a square root. Also learn how to solve simple square root equations.

Learn how square root means what number multiplied by itself will result in the given number. Created by Sal Khan and Monterey Institute for Technology and Education.

In this unit, we review exponent rules and learn about higher-order roots like the cube root (or 3rd root). We'll learn how to calculate these roots and simplify algebraic expressions with radicals.

Practice finding the square root of a perfect square positive integer.

Practice finding the square root of a perfect square positive integer.

Any variable that can be squared so for instance x^2 or y^4 is taken out of the square root symbol. You then divide the exponent by 2 (so x^2 would be x^1 or just x and y^4 would be y^2). Once you do …

Learn about the square root symbol (the principal root) and what it means to find a square root. Also learn how to solve simple square root equations.

If the square root is a whole number, it is called a perfect square! In this example, 16 is a perfect square because its square root is a whole number. Want to learn more about finding square roots? Check …

Solving by taking the square root Learn Solving quadratics by taking square roots Solving quadratics by taking square roots Solving quadratics by taking square roots examples Quadratics by taking square …

So that's what B squared is, and now we want to take the principal root, or the positive root, of both sides. And you get B is equal to the square root, the principal root, of 108.