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Q: Is -5 an irrational number

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5 isn't a irrational number.

no

5 squared is 5*5 is 25. 25 is not an irrational number.

√ 5 is an irrational number. Any square root of a prime number is irrational.

No it is not.

The product will be irrational.

5*sqrt(2) is one irrational number. 1/sqrt(2) is another irrational number.Their product is 5!5*sqrt(2) is one irrational number. 1/sqrt(2) is another irrational number.Their product is 5!5*sqrt(2) is one irrational number. 1/sqrt(2) is another irrational number.Their product is 5!5*sqrt(2) is one irrational number. 1/sqrt(2) is another irrational number.Their product is 5!

No, -5 is not an irrational number. Irrational numbers are numbers that cannot be represented as the quotient of two integers. Since -5 is already an integer, it is rational.

Irrational.

5.4 = 5 2/5 = 27/5 so it is a rational number.

phi = [1+sqrt(5)]/2 sqrt(5) is irrational and so phi is irrational.

No. 5 is not an irrational number. 5 is an integer (whole number) and all integers are rational - that is, they can be expressed as a ratio. In this case, 5/1.

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