Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.3 - Quadratic Functions and Their Graphs - Exercise Set - Page 626: 8



Work Step by Step

If the vertex of a quadratic function is at $(k,m)$. Then its equation can be $f(x)=\pm(x-k)^2+m$. $+$ if it is open up, $-$ if it is open down. Hence here the function is $j(x)=-x^2-1$.
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.