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The square root of a number, x, is the number that equals x when multiplied by itself.
The square root of 4 is 2, since 2 multiplied by itself equals 4.

Square root - Wikipedia


In mathematics, a square root of a number a is a number y such that y<sup>2</sup> = a; in other words, a number y whose square is a. For example, 4 and −4 are square ...

Understanding square roots | Square roots | Exponents, radicals ...


Learn how square root means what number multiplied by itself will result in the given number.

Understanding square roots | Radicals | Expressions with rational ...


Learn how square root means what number multiplied by itself will result in the given number.

Square Roots


Square Roots is an urban farming accelerator—powered by human ingenuity, technology, and a deep love for local, real food.

Numbers - Square Roots - First Glance - Math.com


Finding the square root of a number is the inverse operation of squaring that number. Remember, the square of a number is that number times itself. The perfect ...

Square Root Calculator - Math.com


The Square Root Calculator will find the square root of the number you enter. ... Related Topic How to calculate square roots without a calculator ...

Numbers - Square Roots - In Depth - Math.com


Squaring, which we learned about in a previous lesson (exponents), has an inverse too, called "finding the square root." Remember, the square of a number is ...

Squares and Square Roots - Math is Fun


"Squared" is often written as a little 2 like this: square root of 9 is 3. This says "4 Squared equals 16" (the little 2 says the number appears twice in multiplying) ...

Square Roots: Introduction and Simplification - Purplemath


Introduces the square root. Covers basic terminology and demonstrates how to simplify terms containing square roots.