document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929958>Question 929958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Quadrilateral EFGH has vertices <BR>\n" );
document.write( "E(-4,-4)<BR>\n" );
document.write( "F(3,-1)<BR>\n" );
document.write( "G(2,3)<BR>\n" );
document.write( "H(-5,1)<BR>\n" );
document.write( " Determine whether EFGH is a rectangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564599 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=564599\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-6%2C6%2C-6%2C6%2Cgrid%281%29%2Ccircle%28-4%2C-4%2C0.2%29%2Ccircle%283%2C-1%2C0.2%29%2Ccircle%282%2C3%2C0.2%29%2Ccircle%28-5%2C1%2C0.2%29%2C%0D%0Ablue%28line%28-4%2C-4%2C-5%2C1%29%29%2C%0D%0Ablue%28line%28-5%2C1%2C2%2C3%29%29%2C%0D%0Ablue%28line%282%2C3%2C3%2C-1%29%29%2C%0D%0Ablue%28line%283%2C-1%2C-4%2C-4%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Going from E to H, you move -1 in x and 5 in y.<BR>\n" );
document.write( "Going from F to G, you move -1 in x and 4 in y. <BR>\n" );
document.write( "If it was a rectangle, the x and y changes would be identical.<BR>\n" );
document.write( "It is not a rectangle.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );