Question

The perfect square trinomial that results from completing the square x2−16x is

x2−16x+4


x2−16x−64


x2−16x+8


x2−16x+64

Answer 1

x² - 16x + 64

Explanation:

Given

x² - 16x

To complete the square

add ( half the coefficient of the x- term )², thus

x² + 2(- 8)x + (- 8)²

= x² - 16x + 64