Precalculus (6th Edition) Blitzer

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

Chapter 1 - Review Exercises - Page 304: 122

Answer

$x^2+y^2=9$

Work Step by Step

Given the center and radius of a circle as $C(0,0), r=3$, using the standard form of a circle, we can write the equation as $(x-0)^2+(y-0)^2=(3)^2$ or $x^2+y^2=9$
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