Precalculus (10th Edition)

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

Chapter 3 - Linear and Quadratic Functions - 3.1 Properties of Linear Functions and Linear Models - 3.1 Assess Your Understanding - Page 129: 57

Answer

$(x-2)^2 + (y+5)^2=6^2$ center: $(2,-5)$ $\qquad$ radius: $6$

Work Step by Step

$x^2 -4x+y^2+10y-7=0$ $(x^2-4x \textbf{+4}) + (y^2+10y \textbf{+25})=7 \textbf{+4+25}$ $(x-2)^2 + (y+5)^2=36$ center: $(2,-5)$ $\qquad$ radius: $6$
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