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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 ...

www.ask.com/youtube?q=Square Root of a Number&v=nUyLnjgGumg
Mar 24, 2015 ... Finding the square root is easy for any perfect square under 100! ... How to square any numbers in your head - fast mental math trick - Duration: ...

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 ...

Calculate square root without a calculator - Homeschool Math


Since this method involves squaring the guess (multiplying the number times itself), it uses the actual definition of square root, and so can be very helpful in ...

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


All positive real numbers has two square roots, one positive square root and one negative square root. The positive square root is sometimes referred to as the ...

Finding Square Roots - Fact Monster


The easiest way to find a square root is to use a calculator, but you can do it without one. Here's one way, using 12 as an example of the squared number:.

Square Roots: Introduction and Simplification - Purplemath


In the same way, you can take the cube root of a number, the fourth root, the 100th root, and so forth. To indicate some root other than a square root, you use the ...

The Math Dude : How to Calculate Square Roots in Your Head ...


May 4, 2012 ... If you've read last week's article, figuring out what the square root of 16, 81, and every other number that's a perfect square should be easy ...

Math Forum - Ask Dr. Math Archives: Square Roots without a ...


Finding Square Roots without a Calculator, a selection of answers from the Dr. ... Longhand Square Roots: How do you find the square root of any number?

Math Forum: Ask Dr. Math FAQ: Square and Cube Roots


How do you find the square root of a number without a calculator? What about cube roots?

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


Finding the square root of a number is the inverse operation of squaring that number. Remember ... The perfect squares are the squares of the whole numbers .

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


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

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) ...