How can you tell whether a square root of a whole number is rational or irrational?

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asked May 26, 2018 80.8k views

3 votes

How can you tell whether a square root of a whole number is rational or irrational?

Mathematics
middle-school

Lucas Godoy asked

by Lucas Godoy

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After the whole number is squared if it is still a whole number ex (sq4=2)it is rational. It is irrational if it is a decimal after it is squared ex (sq3)

Imaginary answered May 31, 2018

by Imaginary

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