Intermediate Algebra for College Students (7th Edition)

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

Chapter 10 - Section 10.4 - The Parabola; Identifying Conic Sections - Exercise Set - Page 799: 50


See below.

Work Step by Step

The vertex of $x=a(y-k)^2+h$ is at $(h,k)$. The vertex of $y=a(x-k)^2+h$ is at $(k,h)$. a) $y$ is squared, thus the parabola is horizontal b) the coefficient of $y^2$ is negative, thus the parabola opens to the left c) the vertex is at $(4,-1)$.
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