Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - Test - Page 301: 8

Answer

See graph and explanations.

Work Step by Step

Step 1. Rewrite the equation as $x^2+4x+4+y^2-10y+25=4+25-13$ or $(x+2)^2+(y-5)^2=16$ Step 2. We can identify the center at $(-2,5)$ and radius $r=4$ Step 3. We can graph the circle as shown in the figure.
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