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Q: Is the square of an irrational number rational?

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The square root of 29 is an irrational number.

It is rational.The square root of 9 is 3 and it is a rational number

[ square root of (4.1) ] is irrational. But [ square root of (4) ] is rational.

Irrational Number

That simply isn't true. The sum of two irrational numbers CAN BE rational, but it can also be irrational. As an example, the square root of 2 plus the square root of 2 is irrational.

It is an irrational number

Irrational

irrational

Irrational. All square roots of rational numbers are irrational, except perfect squares.

It is a rational number.

It is a irrational number. Because the square root of every imperfect square is irrational number.

irrational

It is an irrational number

It is an irrational number

It is an irrational number

irrational

It is irrational.

The answer to this question confuses me. The square root of two is an irrational number, so obviously if the square root of two is squared it becomes two which is a rational number. Thinking of it that way then the answer is yes, the square of an irrational number can be a rational number. But . . . You had to know beforehand that the irrational number was the square root of another number. If you start out with an irrational number such as Pi you cannot square it because you cannot know the entire number in order to square it.

the square root of 26 is a irrational number

The square root of 47 is an irrational number.

The square root of 71 is an irrational number

It is irrational.

The square of pi is an irrational number.

It is 10 which is a rational number.

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