## 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 ...

## 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 ...

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.

## Does every number have a square root? - Centrale des maths

mathcentral.uregina.ca/QQ/database/QQ.09.07/h/cheryl1.html

Hence there is no number whose square is negative. For positive ... [1] If your number world is the world of integers then not every number has a square root.

## Square roots and real numbers (Pre-Algebra, Right triangles and ...

www.mathplanet.com/education/pre-algebra/right-triangles-and-algebra/square-roots-and-real-numbers

All positive real numbers has two square roots, one positive square root and ... is not a perfect square i.e. the square root is not a whole number than you have to ...

## Square roots and real numbers | The square root | Khan Academy

Here,50 has only one zero and a number with only one zero is not perfect .... there is no square root that is a whole number. this is about how close u can get ...

## Square roots and real numbers | The square root | Khan Academy

4. Simplifying radicals. Using exponent rules to simplify radicals or square roots · Video. 5. Square roots and real numbers · Exercise. 6. Simplify square roots.

## Real Numbers - Math is Fun

www.mathsisfun.com/numbers/real-numbers.html

Real Numbers are just numbers like: ... Real Numbers can also be positive, negative or zero. ... Imaginary Numbers like √−1 (the square root of minus 1) are not ...

## Why Can't the Square Root of a Negative Number Be a Real Number ...

mathforum.org/library/drmath/view/65127.html

Date: 12/07/2003 at 14:56:08 From: Stephanie Subject: square roots Can you explain why you can't find the square root of a negative number on the real ...

Popular Q&A
Q: What is square root of a number?
A: The square root is the number which is times by itself, to get the square number. Read More »