document.write( "Question 946894: find the equation of a circle that has a diameter with the endpoints given by the points A(6,7) and B(-5,-8) \n" ); document.write( "

Algebra.Com's Answer #577667 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
To find the center, average x and y.
\n" ); document.write( " $\"h=%286-5%29%2F2=1%2F2\"$
\n" ); document.write( " $\"k=%287-8%29%2F2=-1%2F2\"$
\n" ); document.write( "Find the distance between the points to get the diameter and then radius.
\n" ); document.write( " $\"D%5E2=%286-%28-5%29%29%5E2%2B%287-%28-8%29%29%5E2\"$
\n" ); document.write( " $\"D%5E2=%2811%29%5E2%2B%2815%29%5E2\"$
\n" ); document.write( " $\"D%5E2=121%2B225\"$
\n" ); document.write( " $\"D%5E2=346\"$
\n" ); document.write( " $\"D=sqrt%28346%29\"$
\n" ); document.write( " $\"R=sqrt%28346%29%2F2\"$
\n" ); document.write( " $\"R%5E2=346%2F4\"$
\n" ); document.write( " $\"R%5E2=173%2F2\"$
\n" ); document.write( "So then,
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