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Twice a positive integer squared less 3 is 95 What is this integer? A.5 B.7 C.11 D.13

 Oct 13, 2016
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Twice a positive integer squared less 3 is 95 What is this integer? A.5 B.7 C.11 D.13

 

Let the positive integer =N

 

2N^2 - 3 = 95

2N^2 =95+3

2N^2=98

N^2 =49 take the sqrt of both sides

N=7

 Oct 13, 2016

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