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Identify the number as rational or irrational. Explain. -√127
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5 votes
Identify the number as rational or irrational. Explain.

-√127

User Dardan
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1 Answer

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Unless it is a perfect square, it is irrational.

What are the squares near 127?
11*11 = 121 and 12*12= 144

So 127 is not a perfect square.
User Ulf Jaehrig
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