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No, it does not; it could be a fraction (or, what amounts to the same thing, a repeating decimal), a negative number (in fact every strictly positive number has 2 square roots, one positive, one negative, such as the square roots of 25 are 5 and -5), an irrational number (like the square root of 2), or an imaginary number (like the square root of -49).

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โˆ™ 2012-12-26 01:08:27
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Q: Does a square root need to be a whole number?
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Related questions

Is the square root of 15 a whole number?

The square root of 15 is not a whole number.


Is the square root 16 a whole number or the opposite of a whole number?

The square root of 16 is 4 which is a whole number.


Whole number closest to the square root of 65?

The whole number closest to the square root of 65 is 8. The whole number closest to the square root of 65 is 8.


Is the square root of 26 an whole?

The square root of 26 is not a whole number


What is perfect square root?

A perfect square root is where the square root of a number equals another whole number. For example, the square root of 144 is 12. 12 is a whole number thus 144 is a perfect square root.


What is the square root of 55 to the nearest whole number?

The square root of 55 to the nearest whole number is 7.


Is negative the square root of 36 a whole number?

Negative the square root of 36 is -6, which is a whole number.


Is the square root of a whole number always a whole number?

nope! take the square root of 5, 2.236067978... which is not a whole number! hope this helps!


Can a square root be a whole number?

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.


How can you tell whether a square root of a whole number is rational or irrational?

If the whole number is a perfect square, its square root is rational. If not, it's not.


What is the square root of 48 in whole numbers?

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


How do you now if a number is a square number?

if its square root is a whole number


When is the square root of a whole number rational?

When the whole number is a perfect square, ie it is a whole number squared.


Is the square root of 7 a real number?

The square root of seven is a real number, but it is not a whole number.


Is the square root of fifty a natural number?

No - a natural number is a whole number. Therefore, the square root of 49 is a natural number, but the square root of 50 is not.


What whole number is closest to the square root of 59?

Square root of 59 is 7.681145748 Nearest whole number would be 8


What is the word for a square of a whole number?

a square root


What is the square root of 125 nearest whole number?

11 is the square root


A whole number whose square root is also a whole number is called what?

A perfect square.


Is 136 a square number?

No. The square root of 136 is not a whole number.


Why is 14 not a square number why and why not?

Because its square root is not a whole number


How do you check if a number is a perfect square?

For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.


Is the square root of 28 the number 7?

no, 28 has no whole square root; the square root of 49 is 7


What are the factors of square root of 820?

Factors refer to whole numbers. The square root of 820 is not a whole number.


What whole number is the closest to the square root of 15?

The square root of 15 being 3.87 the closest whole number would be 4