document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103081>Question 1103081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectanuglar painting on a gallery wall measures 7 meters high and 4 meters wide.<BR>\n" );
document.write( "What is the slope from the upper left corner to the lower left corner? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #717759 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=717759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If it is from upper left to lower left (left both times),<BR>\n" );
document.write( "and it is a rectangular painting and it is not hanging crooked,<BR>\n" );
document.write( "The line from upper left to lower left is vertical,<BR>\n" );
document.write( "and the slope of a vertical line is undefined.<BR>\n" );
document.write( "The slope is the vertical increase divided by<BR>\n" );
document.write( "the horizontal displacement to the right,<BR>\n" );
document.write( "which in that case is zero, and division by zero is not defined.<BR>\n" );
document.write( " <BR>\n" );
document.write( "Now, for a properly hung rectangular painting with those dimensions,<BR>\n" );
document.write( "from upper left to lower right,<BR>\n" );
document.write( "you would gain <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-7 ALIGN=MIDDLE  ALT=\"-7\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters in height,<BR>\n" );
document.write( "as you moved <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4 ALIGN=MIDDLE  ALT=\"4\"   DISABLED_style= \"max-width:90%; height:auto;\" > meters to the right,<BR>\n" );
document.write( "for a slope of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-7%2F4=-1.75 ALIGN=MIDDLE  ALT=\"-7%2F4=-1.75\"   DISABLED_style= \"max-width:90%; height:auto;\" > . </SPAN>\n" );
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