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## Square root

en.wikipedia.org/wiki/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 is a. For example, 4 and −4 are square ...

## Square Roots Festival - Lincoln Square, Chicago

squareroots.org/

SQUARE ROOTS FESTIVAL 2016. LINCOLN SQUARE · ON LINCOLN AVE BETWEEN MONTROSE AND WILSON. We're back this year with two outdoor ...

## Understanding square roots | The square root | Khan Academy

Understanding Square Roots. ... Square roots of perfect squares · Approximating square roots to hundredths · Approximating square roots · Simplifying square ...

## 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 - In Depth - Math.com

www.math.com/school/subject1/lessons/S1U1L9DP.html

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 ...

Mar 24, 2015 ... Finding the square root is easy for any perfect square under 100! You'll be able to calculate squares faster than ever and amaze everyone with ...

## Square Root Calculator - Math.com

www.math.com/students/calculators/source/square-root.htm

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

## Square Root -- from Wolfram MathWorld

mathworld.wolfram.com/SquareRoot.html

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 ...

## Calculate square root without a calculator - Homeschool Math

www.homeschoolmath.net/teaching/square-root-algorithm.php

Explanation of three ways to find square roots without calculator, including the Babylonian method.

Jan 17, 2010 ... The basics of square roots explained. Taking the square root of perfect squares and prime numbers. Finding the square root of a number in ...
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.

### Understanding square roots | The square root | Khan Academy

Understanding Square Roots. ... Square roots of perfect squares · Simplifying square roots ... Simplify square-root expressions: no variables (advanced).

### Squares and Square Roots - Math is Fun

www.mathsisfun.com

"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) ...

### Numbers - Square Roots - First Glance - Math.com

www.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 ...