Learn about the y = square root of x graph. See how to graph the square root of x, and how to find the domain of a square root function.

Learn how to use i to rewrite square roots of negative numbers and see several examples that walk through, step-by-step, how to solve this type of math problem.

Learn how to simplify square roots. See examples including the square root of a fraction, the square root of variables, and square roots in the...

Learn how to use numerical methods to approximate a square root to the nearest tenth, and see examples that walk you through sample problems step-by-step to improve your math knowledge and …

In this lesson, learn about exponents and roots and find exponent examples. See how the square root of exponents is found using the square root of exponent rule.

To rationalize the denominator of a fraction with a square root, multiply the numerator and denominator of the fraction by the given square root. Then simplify the new numerator and denominator.

Learn about the square root sign and square root rules. See a table for common square roots. Understand how to solve square and square root problems in math.

Master finding square roots in just 5 minutes! Our engaging video lesson covers methods for perfect and imperfect squares, plus a quiz to test your knowledge.

What is the square root of a number? Learn how to multiply square roots and about adding square roots, or adding radicals, in radical and decimal form.

Discover what a principal square root means. Learn how to calculate the principal square root of a number or term, and see examples using principal square roots.