document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=65625>Question 65625</A>: <I><SPAN STYLE=\"word-break: break-all;\">  use the concept of slope to determine if the given figure is a parallelogram or a rectangle.(draw the diagram to view the image in order to answer this question)\r<BR>\n" );
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document.write( "The points are: (2,0),(-1,-2),(-3,1), and (0,3). connect the dots and answer the questions.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #46272 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=46272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m[(-3,1) to (0,3)] = (3 - 1)/(0 + 3) = 2/3<BR>\n" );
document.write( "m[(-1,-2) to (2,0)] = (0 + 2)/(2 + 1) = 2/3<BR>\n" );
document.write( "Opposite sides are parallel, so now we test the other sides.<BR>\n" );
document.write( "m[(-3,1) to (-1,-2)] = (-2 - 1)/(-1 + 3) = -3/2<BR>\n" );
document.write( "m[(0,3) to (2,0)] = (0 - 3)/(2 - 0) = -3/2<BR>\n" );
document.write( "Opposite sides are parallel, so we have a parallelogram.<BR>\n" );
document.write( "Rectangle?<BR>\n" );
document.write( "m[(-3,1) to (-1,-2)] = (-2 - 1)/(-1 + 3) = -3/2<BR>\n" );
document.write( "-m^(-1) or the perpendicular to the slope is 2/3<BR>\n" );
document.write( "m[(-1,-2) to (2,0)] = (0 + 2)/(2 + 1) = 2/3<BR>\n" );
document.write( "All four corners are perpendicular (forming ninety degree angles). This parallelogram is a rectangle. </SPAN>\n" );
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