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 - Concept and Vocabulary Check - Page 279: 4



Work Step by Step

RECALL: A circle with center at $(h, k)$ and a radius of $r$ units has a standard equation of the form $(x-h)^2+(y-k)^2=r^2.$ Thus, the missing expression in the given statement is $(x-h)^2+(y-k)^2=r^2.$
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