document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=317780>Question 317780</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given points A(3, 3), B(3, -2), C(-1, -1), D(-1, 4). Determine whether quadrilateral ABCD with the given vertices is a parallelogram or not. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227540 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=227540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: Find the slope of the line segments AB, BC, CD, and AD. If you can show that the slope of AB is equal to the slope of CD and show that the slope of BC is equal to the slope of AD, then you will have shown that ABCD is a parallelogram. </SPAN>\n" );
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