#### Answer

$(h,k)$.

#### Work Step by Step

The vertex of $x=a(y-k)^2+h$ is at $(h,k)$.

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$(h,k)$.

The vertex of $x=a(y-k)^2+h$ is at $(h,k)$.

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