document.write( "Question 1186876: Find the equation of the circle that passes through (-2, 1), (4, -3), and (4.7) \n" ); document.write( "

Algebra.Com's Answer #817849 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
Find the equation of the circle that passes through A(-2,1), B(4,-3), and C(4,7)
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\n" ); document.write( "Find the perpendicular bisectors of AB and of BC.
\n" ); document.write( "The intersection is the center.
\n" ); document.write( "The distance from the center to any of the points is the radius.
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\n" ); document.write( "Here's another way.
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document.write( "| x   y x^2+y^2  1|\r\n" );
document.write( "|-2   1    5     1|\r\n" );
document.write( "| 4  -3   25     1| = 0\r\n" );
document.write( "| 4   7   65     1|\r\n" );
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\n" ); document.write( "\n" ); document.write( "You can make an Excel sheet to solve it.
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