Q: When is the square root of a whole number rational?

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

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

No.

A perfect square.

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.

No.

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

The square root of 29 is an irrational number.

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

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

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

No. More frequently it is not.

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.

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

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

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

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

How about 16 as one example

irrational

Irrational.

irrational

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

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.

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

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