document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871321>Question 871321</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Okay I have to graph the points A(-5,0) , B(3, 2) C(5, 6) and D(-3 4). Then show that ABCD is a parallelogram by two different methods.\r<BR>\n" );
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document.write( "A. Show  that one pair of opposite sides are congruent and parallel.\r<BR>\n" );
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document.write( "B. Show that the diagonals bisect each other (have the same midpoint) \r<BR>\n" );
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document.write( "So shpuld I use midpoint distance or slope formula.? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525481 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A)Use distance formula, d = square root((X2 - X1)^2 + (Y2 - Y1)^2)<BR>\n" );
document.write( "Use slope to show parallel sides m = (Y2 - Y1) / (X2 - X1)<BR>\n" );
document.write( "B) Use slope to determine equations for the diagonals<BR>\n" );
document.write( "then determine y = mx + b where b is y intercept<BR>\n" );
document.write( "Set equations equal to each other to solve for x intercept, then y intercept follows from the equation/s\r<BR>\n" );
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