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The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?

The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?
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The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?

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User DavidXYZ
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7.8k points

1 Answer

5 votes

Explanation:

x2+y2+6y+(9-9)=7

x2+y2+6y+9=16

x2+(y+3)2=16

center:(0,-3)

r:4

The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center-example-1
answered
User Abhishek Shah
by
7.7k points
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