bloodypikachu2 bloodypikachu2

30-08-2016
Mathematics

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What are the two square roots for 81

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MrNeedHelp MrNeedHelp

30-08-2016

± 9

81 is a perfect square

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baubrey436 baubrey436

30-08-2016

Both 9 and -9 are square roots of 81.

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