document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=262830>Question 262830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the perpendicular bisector of the lina segment AB;A(2,1)B(-2,3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #193601 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=193601\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the perpendicular bisector of the lina segment AB;<BR>\n" );
document.write( "A(2,1)B(-2,3)<BR>\n" );
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document.write( "Find the midpoint by getting the averages of x and y separately.<BR>\n" );
document.write( "x: (2-2)/2 = 0<BR>\n" );
document.write( "y: (1+3)/2 = 2<BR>\n" );
document.write( "M is (0,2)<BR>\n" );
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document.write( "Find the slope, m, of AB<BR>\n" );
document.write( "m = diffy/diffx = (3-1)/(-2-2)<BR>\n" );
document.write( "m = -1/2<BR>\n" );
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document.write( "The slope of lines perpendicular is the negative inverse, = +2<BR>\n" );
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document.write( "Use y = mx + b and the point M to find b<BR>\n" );
document.write( "2 = 2*0 + b<BR>\n" );
document.write( "b = 2<BR>\n" );
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document.write( "--> y = 2x + 2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );