Question 566809: explain square roots
Answer by solver91311(24713)   (Show Source):
You can put this solution on YOUR website!
The the symbol is called a radical and the  inside of it is called the radicand. The whole thing represents the positive number that when multiplied by itself results in the radicand. That is to say:
Unless is a perfect square, that is a number like 4, 25, or 15,241,383,936 (which is 123,456 * 123,456), then the result of taking the square root of will be an irrational number. Irrational numbers are numbers that cannot be expressed as the quotient of two integers.
John
My calculator said it, I believe it, that settles it
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