SOLUTION: Find the center and radius of the circle (x-5)2 + y2 + 2y=7

SOLUTION: Find the center and radius of the circle (x-5)2 + y2 + 2y=7

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Question 148286: Find the center and radius of the circle (x-5)2 + y2 + 2y=7
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the center and radius of the circle (x-5)2 + y2 + 2y=7
Put in the form
x is ok as it is.
Complete the square for y
, so add 1 to both sides:

The center is at (a,b), or (5,-1) and the radius is .

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