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Earn +20 ptsQ: Is 1 over the square root of 9 irrational?
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Is the square root of 1 over 5 a real number and is it rational or irrational?
It is real and irrational.
Is the square root of x and the square root of NEGATIVE x both rational and irrational?
Yes, because when x equals 1, the square root of x is rational and the square root of -x is irrational, and when x equals -1, the square root of x is irrational and the square root of -x is rational.
What set of numbers does 3 square root of 1 over 8?
It is an irrational number.
Is the square root of negative 1 irrational?
No, it is neither rational nor irrational. It is a complex number.
Is the square root of 25 irrational?
The sqrt of 25 = 5 which can be written as a recurring decimal. Therefore no, it is not irrational, it is rational.
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