College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.2 - Graphs of Equations in Two Variables; Circles - 1.2 Exercises: 4

Answer

$(1, 2)$; $3$

Work Step by Step

RECALL: The circle $x-h)^2+(y-k)^2 = r^2$ has its center at $(h, k)$ and a radius of $r$ units. The given equation can be written as: $(x-1)^2+(y-2)^2=3^2$. Thus, the circle has its center at $(1, 2)$ and has a radius of $3$ units. Therefore, tjhe missing expressions in the given statement (in order) are: $(1, 2)$; $3$
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