Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 13 - Conic Sections - 13.3 Conic Sections: Hyperbolas - 13.3 Exercise Set - Page 871: 31

Answer

Circle

Work Step by Step

${{y}^{2}}=20-{{x}^{2}}$ Add ${{x}^{2}}$ to both sides ${{x}^{2}}+{{y}^{2}}= \sqrt{20}^2$ This matches the standard equation of a circle. Therefore, the graph of the equation is a circle.
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