document.write( "Question 1139309: 1 \r
\n" ); document.write( "\n" ); document.write( "the points (1,4)and (-1,-4)are the end points of a diameter of a circle. Find the equation of the circle.\r
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Algebra.Com's Answer #757098 by josgarithmetic(39629)\"\" \"About 
You can put this solution on YOUR website!
\"midpointx=%281-1%29%2F2=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"midpointy=%284-4%29%2F2=0\"\r
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\n" ); document.write( "\n" ); document.write( "radiusSquared=((1/2)sqrt((1-(-1))^2+(4-(-4))^2))^2
\n" ); document.write( "\"radiusSquared=%281%2F4%29%28%284%29%2B%2864%29%29=68%2F4\"
\n" ); document.write( "\"radiusSquared=17\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28x%5E2%2By%5E2=17%29\"
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