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Earn +20 ptsQ: Is the square root of 42 rational or irrational?
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Is the square root of 42 rational?
no
Is the square root of 42 an irrational number?
Yes.
Is -42 rational or irrational?
-42 is rational. All integers are rational numbers as they can be expressed as the number over 1 which, being one integer over another integer, is the form of a rational number.
Is 42 the square root of 1764?
Yes the square root of 1764 is 42
What could be an irrational number between 4and5?
The square root of any number between 42 = 16 and 52 = 25, eg √17, √20
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