document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139121>Question 1139121</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show in two ways that the quadrilateral with vertices (0, -1) (1, 2) (-4, 7) and (-5, 4) is 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 #757044 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=757044\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Show in two ways that the quadrilateral with vertices (0, -1) (1, 2) (-4, 7) and (-5, 4) is a parallelogram.<BR>\n" );
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document.write( "Label the points A(0,-1), B(1,2), C(-4,7) and D(-5,4)<BR>\n" );
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document.write( "The points are in order around the figure.<BR>\n" );
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document.write( "Method 1:<BR>\n" );
document.write( "If the lengths of AB and CD are equal, and BC and AD are equal, it's a p-gram.<BR>\n" );
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document.write( "Method 2:<BR>\n" );
document.write( "If AB is parallel to CD and BC is parallel to AD, it's a p-gram.<BR>\n" );
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