What value of p will make (x\(^2\) – 4x + p) a perfect square?
- -2
- 16
-
4
- -8
The correct answer is: C
Explanation
(x\(^2\) - 4x + p)
Use the coefficient of the middle variable(-4x)
= (\(\frac{-4}{2}\))\(^2\)
= (-2)\(^2\)
= 4