document.write( "Question 489729: how do you write the equation of the perpendicular bisector of the segment joining A(-5,4) and B(-3,6)? \n" ); document.write( "
Algebra.Com's Answer #334113 by lwsshak3(11628)\"\" \"About 
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how do you write the equation of the perpendicular bisector of the segment joining A(-5,4) and
\n" ); document.write( "B(-3,6)
\n" ); document.write( "**
\n" ); document.write( "Coordinates of the midpoint between A and B:
\n" ); document.write( "(x1+x2)/2, (y1+y2)/2=(-3-5)/2,(6+4)/2=(-4,5)
\n" ); document.write( "Slope of given segment=∆y/∆x=(4-6)/(-5+3)=-2/-2=1
\n" ); document.write( "..
\n" ); document.write( "Slope of perpendicular bisector=-1 (negative reciprocal)
\n" ); document.write( "Equation of perpendicular bisector: y=-x+b
\n" ); document.write( "solving for b, using coordinates of given segment midpoint (-4,5)
\n" ); document.write( "5=4+b
\n" ); document.write( "b=1
\n" ); document.write( "Equation:
\n" ); document.write( "y=-x+1
\n" ); document.write( "
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