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If x^(2) + 8x+ k is a perfect square , t...

If `x^(2) + 8x+ k` is a perfect square , then find the value of k .

A

1

B

4

C

16

D

64

Text Solution

Verified by Experts

The correct Answer is:
C
`x^(2) + 8x + k = (x)^(2) + 2(x) (4) + k` is a perfect square .
`implies k = 4^(2) = 16`
Hence , the correct option is (c) .
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