Precalculus (6th Edition) Blitzer

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

Chapter 1 - Section 1.9 - Distance and Midpoint Formulas; Circles - Exercise Set - Page 281: 89


makes sense

Work Step by Step

This statement makes sense because the first circle is centered at $(2,-1)$ with a radius of $4$, and it can be obtained by shifting the second circle (centered at $(0,0)$ with the same radius) 2 units right and 1 unit down.
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