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Q: Is -45 irrational

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No it is not rational

45 is a rational number

It is 3 times sq rt 5 which is an irrational number

Irrational. Irrational. Irrational. Irrational.

45 is not a perfect square number. the closest perfect squares are 49 and 36. But it is the square of the irrational number 6.708204... (an infinite, non-terminating, non-repeating decimal).

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It is the square root of 14.25 which is an irrational number

It is irrational

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No it is not rational

45 is a rational number

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Integers are rational numbers.

Rational 0.45 = 45 / 100

45 is an integer which is a rational number. So the question makes no sense.

sqrt 45 = sqrt 5 x sqrt 9 = 3 sqrt 5. Sqrt 5 is irrational so 3 root 5 is also irrational.

-.45 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

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