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A square root is the result of "unsquaring" a number, or the reversal of the process of squaring. The root is, as its name implies, a squared number reduced to its most basic form....

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


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 (the result of multiplying the number by ...

Understanding square roots | The square root | Khan Academy


You are correct! Often though (and sometimes unfortunately) we assume that when we're looking for the square root of something, that we're looking for the ...

An excellent synopsis of square roots with clear visuals to enhance understanding. More »

Square Roots: Introduction and Simplification - Purplemath


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

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 ...

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 Root -- from Wolfram MathWorld


Note that any positive real number has two square roots, one positive and one negative. For example, the square roots of 9 are -3 and +3 , since (-3)^2=(+3)^2= 9 ...

Popular Q&A
Q: What Is the Square Root Method?
A: The square root method can be used for solving quadratic equations in the form "x² = b." This method can yield two answers, as the square root of a number can b... Read More »
Source: www.ehow.com
Q: How to Divide Square Roots.
A: Three Methods: How to Divide Square Roots. How to Rationalize a Denominator. How to Use Conjugate Pairs. Questions and Answers. Dividing square roots is similar... Read More »
Source: www.wikihow.com
Q: What is the square root of infinity?
A: Das Boot (1981). One of the most gripping movies I've ever seen. Definitely try and see it on a big-screen. . I understand there are some scenes from it availab... Read More »
Source: www.quora.com
Q: How to Add Square Roots.
A: You can perform all the usual mathematical operations on. square roots., including addition, subtraction., division. and. multiplication. But because the radica... Read More »
Source: www.wikihow.com
Q: What is the square root of 1?
A: This depends upon the structure in which you phrase your question. If we were to work in the ring of integers, again, 1 is a square root, but -1 is also a squar... Read More »
Source: www.quora.com