Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-5 Completing the Square - Practice and Problem-Solving Exercises - Page 579: 8



Work Step by Step

$z^2+22z+c$ Compare it with $az^2+bz+c$, we have $b=18$ For perfect-square trinormal add $(\frac{b}{2})^2$ and Plug $b=22$ to complete the square. $c=(\frac{22}{2})^2=(11)^2=121$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

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.