SOLUTION: determine the equation of a circle with centre o(0,0)and point p(9,-4) on its circumference

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Question 399859: determine the equation of a circle with centre o(0,0)and point p(9,-4) on its circumference
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2+%2B+y%5E2+=+9%5E2+%2B+%28-4%29%5E2+=+81+%2B+16+=+97
Hence the equation is x%5E2+%2B+y%5E2+=+97.