For the following, decide whether or not each equation has a circle as it's graph. If it does, give the center and the radius. If it does not, describe the graph. (a) r2 + y? + 2x – 6y + 14 = 0 (b) a? + y? + 6x + 8y + 0 = 0 (c) a² + y? + 2x – 6y + 18 = 0

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For the following, decide whether or not each equation has a circle as it's graph. If it does, give the
center and the radius. If it does not, describe the graph.
(a) r2 + y? + 2x – by + 14 = 0
(b) a? + y? + 6x + 8y + 0 = 0
(c) r? + y? + 2r – 6y + 18 = 0
Transcribed Image Text:For the following, decide whether or not each equation has a circle as it's graph. If it does, give the center and the radius. If it does not, describe the graph. (a) r2 + y? + 2x – by + 14 = 0 (b) a? + y? + 6x + 8y + 0 = 0 (c) r? + y? + 2r – 6y + 18 = 0
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