# How to Find the Square Root of a Number That Doesn't Have a Perfect Square?

The square root of a number multiplied by itself yields that number. Some numbers are perfect squares such as 25 (five times five) and 100 (10 times 10). Other numbers are not perfect squares. Alth...
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http://www.ehow.com/how_6375804_square-number-doesn_t-perfect-square.html

## How to Rationalize the Square Root of 1/5?

A radical expression contains one or more radical signs, which appear as "âˆš." To simplify a radical expression with a fraction, you need to get rid of as many radical signs as you can and leave n...
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http://www.ehow.com/how_8500587_rationalize-square-root-15.html

## How to Reverse a Square Root?

The square root of a particular number, x, identifies a certain number, t, that when multiplied by itself will equal the original number x ( t * t = x defined by t as the square root of x). Essent...
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http://www.ehow.com/how_8431297_reverse-square-root.html

## How to Solve the Square Root?

Although it has been left out of math curricula for decades, before hand-held calculators, taking the square root of rational numbers used to be done with just pencil and paper. The technique is no...
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http://www.ehow.com/how_8098582_solve-square-root.html

## How to Get the Principal of a Square Root?

The convenience of digital calculators sometimes creates the false impression that the functions printed on the keypad are modern ideas. One function that has its roots in ancient times is the squa...
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http://www.ehow.com/how_8444384_principal-square-root.html