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 967: 78


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Work Step by Step

Because the pool table is elliptically shaped, it has two foci. One focus is the pocket, and if he places the ball at the other focus, it does not matter which direction he hits the ball, the ball will be reflected off the edge towards the pocket.
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