Question 754459
For the circle with equation (x – 2)^2 + (y + 3)^2 = 9, answer each question:
You have to recognize this circular equation form.
(x-h)^2 + (y-k)^2 = r^2 
where (h,k) is the center and r is the radius
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What are the coordinates of the center?
Ans: (2,-3)
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What are the radius and diameter of the circle?
Ans: radius = sqrt(9) = 3
Diameter = 2r = 6
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Cheers,
Stan H.
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