SOLUTION: The diameter of a circle has endpoints P(-2,-4) and Q(6,10). a. Find the center of the circle. b. Find the radius. If your answer is not an integer, express it in radical form.

Algebra ->  Circles -> SOLUTION: The diameter of a circle has endpoints P(-2,-4) and Q(6,10). a. Find the center of the circle. b. Find the radius. If your answer is not an integer, express it in radical form.      Log On


   



Question 1062719: The diameter of a circle has endpoints P(-2,-4) and Q(6,10).
a. Find the center of the circle.
b. Find the radius. If your answer is not an integer, express it in radical form.
c. Write an equation for the circle.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The diameter of a circle has endpoints P(-2,-4) and Q(6,10).
a. Find the center of the circle.
The center is the midpoint of PQ
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b. Find the radius. If your answer is not an integer, express it in radical form.
The radius is 1/2 the length of PQ.
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c. Write an equation for the circle.
%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2
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