document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=598923>Question 598923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation of the perpendicular bisector of the line segment whose endpoints are (-1,1) and (7,5) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378734 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an equation of the perpendicular bisector of the line segment whose endpoints are (-1,1) and (7,5)<BR>\n" );
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document.write( "slope of line segment=&#8710;y/&#8710;x=(5-1)/(7-(-1))=4/8=1/2<BR>\n" );
document.write( "slope of perpendicular bisector = -2 (negative reciprocal)<BR>\n" );
document.write( "mid point of perpendicular bisector =(7-1)/2,(5+1)/2=(3,3)<BR>\n" );
document.write( "Standard form of equation for a straight line: y=mx+b, m=slope, b=y-intercept<BR>\n" );
document.write( "equation:<BR>\n" );
document.write( "y=mx+b<BR>\n" );
document.write( "using midpoint and slope to find b<BR>\n" );
document.write( "3=-2*3+b<BR>\n" );
document.write( "b=9<BR>\n" );
document.write( "y=-2x+9<BR>\n" );
document.write( " </SPAN>\n" );
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