document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136836>Question 136836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> im really lost with this. A(-2;-2), B, C(4;4) and D are the vertices of a rhombus. Find the the equation of diagnol BD. the workout i cant complete im totally lost . i would appreciate it if u could heelp me with this plz </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100178 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the diagonals of a rhombus are perpendicular and they bisect each other\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "this means that the slope of BD is the negative reciprocal of the slope of AC<BR>\n" );
document.write( "__ and BD passes through the midpoint of AC\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "slope of AC __ m=(4-(-2))/(4-(-2)) __ m=1<BR>\n" );
document.write( "__ so the slope of BD is -1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "midpoint of AC __ ((-2+4)/2,(-2+4)/2) __ (1,1)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "using point-slope for BD __ y-1=-1(x-1)<BR>\n" );
document.write( "__ solving for y (slope-intercept) __ y=-x+2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );