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1 July, 02:26

What is the value of c so that y=x^2+15x+c is a perfect square.

A. 30

B. 15/2

C. 15/4

D. 225/4

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Answers (1)
  1. 1 July, 02:35
    0
    Divide 15 by 2, then square the amount.

    (15/2) ^2 = 225/4
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