Q: Is the square root of 18 halves a rational or irrational number?

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The square of a rational number can be either rational or irrational. However, the square of an irrational number is always irrational.

irrational

irrational

It is an irrational number

It is an irrational number

Related questions

The square root of 29 is an irrational number.

The square of a rational number can be either rational or irrational. However, the square of an irrational number is always irrational.

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

4.6 is rational.

The square root of 1.44 is 1.2 which is a rational number

It is irrational. * The square root of any positive integer, except of a perfect square, is irrational. * The product of an irrational number and a rational number (except zero) is irrational.

irrational

irrational

It is an irrational number

It is an irrational number

It is irrational.

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