answersLogoWhite

0


Best Answer

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

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: When is the square root of a whole number rational?
Write your answer...
Submit
Still have questions?
magnify glass
imp
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 4 irrational or rational?

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 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


A rational number whose square root is a whole number?

A perfect square.


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 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 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 49 a rational irrational whole or integer number?

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


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 a whole number always rational number?

No. More frequently it is not.


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.