Answer
$(-2,-5).$
Work Step by Step
The vertex of $x=a(y-k)^2+h$ is at $(h,k)$.
$x=y^2+10y+23\\x=x^2+10y+25-2\\x=(y+5)^2-2$
Thus here the vertex is at $(-2,-5).$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 10 - Review Exercises - Page 818: 7
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
