SOLUTION: the circle c1 has centre a and equation x2+y2-6x+2y-15=0 find the co-ordinates of A and the radius of C

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Question 451994: the circle c1 has centre a and equation x2+y2-6x+2y-15=0
find the co-ordinates of A and the radius of C

Answer by Gogonati(855)   (Show Source): You can put this solution on YOUR website!
First write the equation of the circle in the standard form.
=>, from the final
equation we conclude that the center of the circle is (3, -1) and the radius 5.

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