Mathematics

What value of k makes the given expression a perfect square ? m(^2) – 8m +…

What value of k makes the given expression a perfect square ? m(^2) – 8m + k = 0

  • A.
    2
  • B.
    4
  • C.
    8
  • D.
    16
  • E.
    64
Correct Answer: Option D
Explanation

Take half the coefficient of m and square it
=> (-8/2)2 = k = 16