document.write( "Question 100331: In the coordinate plane, the points F(-2,1), G(1,4), and H(4,1) lie on a circle with center P. What are the coordinates of point P?\r
\n" );
document.write( "\n" );
document.write( "Choices:
\n" );
document.write( "(A) (0,0)
\n" );
document.write( "(B) (1,1)
\n" );
document.write( "(C) (1,2)
\n" );
document.write( "(D) (1,-2)
\n" );
document.write( "(E) (2.5, 2.5)\r
\n" );
document.write( "\n" );
document.write( "Please show me how to solve this equation. \r
\n" );
document.write( "\n" );
document.write( "Thank You very much! \n" );
document.write( "
Algebra.Com's Answer #73080 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In the coordinate plane, the points F(-2,1), G(1,4), and H(4,1) lie on a circle with center P. What are the coordinates of point P? \n" ); document.write( "---------------- \n" ); document.write( "Procedure: \n" ); document.write( "Find the equation of the perpendicular-bisector of line segment FG. \n" ); document.write( "Find the equation of the perpendicular-bisector of line segment GH. \n" ); document.write( "----------- \n" ); document.write( "Find the intersection of those two equations. \n" ); document.write( "That is the center of the circle. \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |