In Problem (a) find the center and radius r of each circle;(b) graph each circle;(c) find the intercepts,if any. x2 + y2 + 4x - 4y - 1 = 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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In Problem (a) find the center and radius r of each circle;(b) graph each circle;(c) find the intercepts,if any. x2 + y2 + 4x - 4y - 1 = 0

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