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10 March, 23:00

What value of c makes the polynomial below a perfect square?

x2 + 16x + c

c =

A. 64

B. 32

C. 4

D. 256

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Answers (1)
  1. 11 March, 00:45
    0
    To obtain the perfect square of the polynomial, take it middle term and divide it by 2. Then, take the square of the quotient. To demonstrate:

    16/2 = 8

    8^2 = 64

    Thus, c = 64

    The answer is A.
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