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

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โˆ™ 2014-10-27 09:51:25
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Q: When is the square root of a whole number rational?
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Related questions

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.


Is the square root of 25 rational irrational whole natural or integer?

The square root of 25 is 5, which is a whole number, an integer, a natural number and a rational number.


Is the square root of -9 a natural whole integer rational or irrational number?

It is none of those because the square root of -9 is an imaginary number but the square root of 9 is 3 which is a rational integer or whole number


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

No.


A rational number whose square root is a whole number?

A perfect square.


Is the square root of 4 rational or irrational?

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.


Is the square root of a whole number always rational?

No.


Is the square root of 13 is a rational number?

No. The square root of a positive integer is either a whole number or it is irrational.


Is the square root of 29 a rational number integer whole number or an irrational number?

The square root of 29 is an irrational number.


Is the square root of four a real number or a rational number or an irrational number or integers or a whole number?

The square root of 4 is a whole number, an integer, rational and real.


Are square root of 10 rational?

No. In general, the square root of a positive integer is either a whole number, or an irrational number.


Is the square root of 49 a rational irrational whole or integer number?

The √49 is 7. It is a rational number.


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

No. More frequently it is not.


What is a rational number whose square root is a whole number?

If the square root is a whole number, then the square of the square root, the original number, is also a whole number; all whole numbers can be expressed as themselves over 1, and so are rational numbers. The answer is thus any square number, ie the square of the natural numbers: 1 (1²), 4 (2²), 9 (3²), 16 (4²), etc.


Is the square root of 25 a rational number?

The square root of 25 is 5 ... rational.


Is the square root of 13 irrational or rational?

The square root of 13 is irrational. All square roots of whole numbers are irrational unless the number is a perfect square.


What can a square root of a whole number be?

If the whole number is non-negative, then it can be a rational number or, more often, an irrational number.


Is square root of 64 a rational number?

The square root of 64 is 8 which is a rational number


What is a rational number who's square root is a whole number?

How about 16 as one example


Is the square root of thirteen an integer rational number irrational number or whole number?

irrational


Is the square root of 5 an integer a rational number an irrational number or a whole number?

Irrational.


Is the square root of 257 an irrational number rational number o an whole number?

irrational


Is the square root of 1500 rational?

No, the square root of 1500 is not a rational number.


Is the square root of 20 rational?

Try taking the square root. The square root of a positive integer can only be: * A whole number, in which case it is of course rational, or * Irrational.


Is the square root of 16 a rational number or irrational number?

The square root of 16 is 4 which is a rational number

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