## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 4 Quadratic Functions and Factoring - 4.7 Complete the Square - 4.7 Exercises - Skill Practice - Page 288: 2

#### Answer

To complete the square for the expression $x^{2}+bx$, add $(\displaystyle \frac{b}{2})^{2}$ so that the expression becomes a perfect square trinomial.

#### Work Step by Step

$x^{2}+bx+(\displaystyle \frac{b}{2})^{2}=(x+\frac{b}{2})(x+\frac{b}{2})=(x+\frac{b}{2})^{2}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.