document.write( "Question 875674: A circle has a diameter with endpoints (1,8) and (-5,0). find the equation of the circle. \n" ); document.write( "
Algebra.Com's Answer #528356 by Alan3354(69443)\"\" \"About 
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A circle has a diameter with endpoints (1,8) and (-5,0). find the equation of the circle.
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\n" ); document.write( "Find the distance between the 2 points, that's the diameter.
\n" ); document.write( "The radius is 1/2 that.
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\n" ); document.write( "The midpoint is the center of the circle.
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\n" ); document.write( "\"%28x-+h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2\" is a circle of radius and center at (h,k)
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