Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 1 - Graphs - 1.4 Circles - 1.4 Assess Your Understanding: 5

Answer

True

Work Step by Step

The equation of a circle whose center is at the origin is $x^2 + y^2 = r^2$ where $r$=radius. The given equation can be written as $x^2=y^2=3^2$. The equation above has $r=3$. Thus, the given statement is true
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