A circle in the ry-coordinate plane has the equation a2 + y? + 6y - 4 = 0. What is the center of the circle? Explain how you got your answer. What is the radius of the circle? Explain how you got your answer. B

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.5: Graphs Of Equations And Circles
Problem 89E
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Pls explain btw
A circle in the ay-coordinate plane has the equation a2 + y² + 6y – 4 = 0.
What is the center of the circle? Explain how you got your answer.
What is the radius of the circle? Explain how you got your answer.
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Transcribed Image Text:A circle in the ay-coordinate plane has the equation a2 + y² + 6y – 4 = 0. What is the center of the circle? Explain how you got your answer. What is the radius of the circle? Explain how you got your answer. BIUE tv MacBook Air DI DD 80 888 F7 F8 F4 F3 F2 & 23 $ 3 4 7 E Y S D F G K C V この * 00 B
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