Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 9 - Section 9.1 - The Ellipse - Exercise Set - Page 968: 97


a. $y=\pm3$ b. See explanations

Work Step by Step

a. The y-intercepts can be found by letting $x=0$. We have $y^2=9$ and $y=\pm3$ b. If we try to find the x-intercept by letting $y=0$, we get $x^2=-16$, which has no real solution. Thus there is no x-intercept.
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