Math and Arithmetic

What is it called when a number has a whole number square root?

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2009-12-18 17:42:30
2009-12-18 17:42:30

Then the number is called a "perfect square".

Then the number is called a "perfect square".

Then the number is called a "perfect square".

Then the number is called a "perfect square".

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2009-12-18 17:42:30

Then the number is called a "perfect square".

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Related Questions



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Yes. The square of a whole number is always a whole number. For example, 3 squared is 9, so the square root of 9 is 3. What you never have, is the square root of a whole number being a fraction that is not a whole number. The square root of a whole number is either a whole number or an irrational number. For example, the square root of 2 is irrational, because there are no 2 whole numbers a and b such that a/b squared is 2. This is not terribly difficult to prove, but I have already said too much; I have answered your question.


48 is not a square number, so the square root of 48 is irrational and can not be represented as a whole number.


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if its square root is a whole number


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