SOLUTION: Which is an equation of the circle with a radius of 9 units and center at (–4, 2)?

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Question 417401: Which is an equation of the circle with a radius of 9 units and center at
(–4, 2)?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Standard Form of an Equation of a Circle is %28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2

where Pt(h,k) is the center and r is the radius

circle with a radius of 9 units and center at(–4, 2)

 (x+4)^2 +(y-2)^2 = 81