Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter F - Foundations: A Prelude to Functions - Section F.4 Circles - F.4 Assess Your Understanding - Page 38: 38

Answer

$(x+3)^2+(y-1)^2=9$

Work Step by Step

Based on the given conditions, the radius is the absolute value of the x-coordinate of the center $r=3$, thus we have $(x+3)^2+(y-1)^2=9$
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