document.write( "Question 1117645: a) a point P moves so that it is equidistant from the points A(1,2)and B(-2,-1).
\n" ); document.write( " find the Cartesian equation of the locus of P\r
\n" ); document.write( "\n" ); document.write( "b) P(4,7) and Q(-2,3) and M(x,y)are three points. Q is the midpoint of PM. find the coordinates of M
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Algebra.Com's Answer #732851 by Alan3354(69443)\"\" \"About 
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a) a point P moves so that it is equidistant from the points A(1,2)and B(-2,-1).
\n" ); document.write( " find the Cartesian equation of the locus of P
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\n" ); document.write( "It's on the perpendicular bisector of the line between A & B
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\n" ); document.write( "\n" ); document.write( "b) P(4,7) and Q(-2,3) and M(x,y)are three points. Q is the midpoint of PM. find the coordinates of M
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