Decide whether or not the equation has a circle as its graph if it does give the center and the radius if it does not describe the graph 4x2+8x+4y2+28y-347=0

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.2: Graphs Of Equations In Two Variables; Circles
Problem 4E
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Decide whether or not the equation has a circle as its graph if it does give the center and the radius if it does not describe the graph

4x2+8x+4y2+28y-347=0

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