Home » » What value of k makes the given expression a perfect square ? m2 - 8m + k = 0...

# What value of k makes the given expression a perfect square ? m2 - 8m + k = 0...

### Question

What value of k makes the given expression a perfect square ? m2 - 8m + k = 0

A) 2

B) 4

C) 8

D) 16

E) 64

### Explanation:

TAke half the coefficient of m squared
=> (-8/2)2 = k = 16

## Dicussion (1)

• TAke half the coefficient of m squared
=> (-8/2)2 = k = 16