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Q: Is -42 rational or irrational

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No. A rational plus an irrational is always an irrational.

It is always irrational.

The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.

No.A rational times an irrational is never rational. It is always irrational.

Irrational.

Related questions

Irrational.

The square root of 42 is an irrational number

No because 11/42 is a rational number

4.6 is rational.

Rational

10.01 is a rational number

It is a rational number

Rational.

Rational

No

rational

If x is rational the it is rational. If x is irrational then it is irrational.

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