Square root. For example, the principal square root of 9 is 3, which is denoted by √9 = 3, because 32 = 3 • 3 = 9 and 3 is nonnegative. The term (or number) whose square root is being considered is known as the radicand. The radicand is the number or expression underneath the radical sign, in this example 9.

Square Root Calculator – Math.com

The Square Root Calculator will find the square root of the number you enter.

Practice · World of Math Online · Converters

Squares and Square Roots – Math Is Fun

The Square Root Symbol. This is the special symbol that means “square root”, it is sort of like a tick, and actually started hundreds of years ago as a dot with a flick upwards. It is called the radical, and always makes mathematics look important!

Overview

What is the square root of 8? | Study.com

Answer and Explanation: The square root of 8, or √(8), is 2√(2). The square root of a number a is a number that when multiplied by itself gives a. In other words, √(a) = b if b × b = a. If we plug √(8) into our calculator, we will get a very long decimal that is rounded to …

What is the square root of 0? – Quora

May 20, 2018 · Answer Wiki. Square root of Zero…. my way to see math is a bit different from other replies, while arriving to the same result. We all agree that when we square we mean a possible dimension (even if very very small, but positive, or negative in relation to imaginary numbers, but that is another story) well zero is not a dimension,

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Question Corner — What is the Square Root of i?

Now we can understand why we got the answer we did for the square root of i. It is easily seen that i forms an angle of 90 degrees with the real axis and has distance of 1 from the origin. Its square root is the number with a distance of 1 from the origin and an angle of 45 degrees from the real axis …

Intro to square roots (video) | Radicals | Khan Academy

Mar 17, 2018 · And then the square root of nine squared, well, that’s just going to be nine. And on the right-hand side, negative three squared, well, negative three times negative three is positive nine. So, it all works out.

Author: Sal Khan,Monterey Institute for Technology and Education

Understanding square roots (video) | Khan Academy

Jan 10, 2018 · Video transcript. And then you know, the square root of something times itself, that’s just going to be that something. This is just equal to 10. So the square root of 100 is 10. Or another way you could write, I guess, this same truth is that 10 squared…

Author: Sal Khan,Monterey Institute for Technology and Education

Squares and Square Roots in Algebra – Maths Resources

Squares

Square root – definition of square root by The Free Dictionary

square root n. A divisor of a quantity that when squared gives the quantity. For example, the square roots of 25 are 5 and -5 because 5 × 5 = 25 and (-5) × (-5) = 25. square root n (Mathematics) a number or quantity that when multiplied by itself gives a given number or quantity: 2 is a square root of 4, usually written √4 or 41/2. square′ root

What is the square root of x squared? | Socratic

The term ‘the square root of X’ is not quite precise as there are usually 2 square roots called sqrt(X) and -sqrt(X) sqrt(x^2) = abs(x) This is the positive square root of x^2. -sqrt(x^2) = -abs(x) is also a square root of x^2 It’s tempting to say sqrt(x^2) = x, but that’s only true for x>=0

2 Simple Ways to Multiply Square Roots – wikiHow

May 14, 2018 · Square a square root. In some instances, you will need to multiply a square root by itself. Squaring a number and taking the square root of a number are opposite operations; thus, they undo each other. The result of squaring a square root, then, is simply the number under the radical sign.

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Square Root Calculator | Captain Calculator

What is a square root? The square root of a number is the number that would have to be multiplied by itself to get the original number. For example, the square root of 9 is 3 as 3 multiplied by 3 is 9.