Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 9 - Conic Sections, Sequences, and Series - 9.1 Parabolas and Circles - 9.1 Exercises: 66

Answer

$x^2+20x+y^2-10y-775=0$

Work Step by Step

Center=$(-10,5)$ Radius=$30$ Equation: $(x+10)^2+(y-5)^2=30^2$ $\implies x^2+20x+100+y^2-10y+25=900$ $\implies x^2+20x+y^2-10y-775=0$
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