document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118032>Question 1118032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given the points A(-1. 7), B( 1,9) and C(-3,11)<BR>\n" );
document.write( "a)show that the equation of the perpendicular bisector of AB is given by x+y=8<BR>\n" );
document.write( "b) find the coordinates of the point D, if ABCD us a parallelogram </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733242 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=733242\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the points A(-1,7), B(1,9) and C(-3,11)<BR>\n" );
document.write( "a)show that the equation of the perpendicular bisector of AB is given by x+y=8<BR>\n" );
document.write( "Find the midpoint of AB<BR>\n" );
document.write( "Find the slope of AB<BR>\n" );
document.write( "The slope of perpendicular lines is the negative inverse.<BR>\n" );
document.write( "Find the equation thru the midpoint with the slope found.<BR>\n" );
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document.write( "b) find the coordinates of the point D, if ABCD us a parallelogram<BR>\n" );
document.write( "Find the line thru A parallel to BC.<BR>\n" );
document.write( "Find the line thru C parallel to AB.<BR>\n" );
document.write( "D is the intersection of the 2 lines.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );