document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=53644>Question 53644</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope of the following:<BR>\n" );
document.write( "The line that passes through (3,-5), (3,14) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35892 by </B><A HREF=/tutors/aboutme.mpl?userid=rchill><B>rchill(405)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rchill><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=35892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The slope of a line is defined as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29 ALIGN=MIDDLE  ALT=\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  So just substitute your points into that equation to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=19%2F0 ALIGN=MIDDLE  ALT=\"m=19%2F0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Because division by 0 is undefined, that means the slope is undefined.  You can also tell by just examining the two ordered pairs -- because they both have the same x-value, that means you have a vertical line and all vertical lines have undefined slopes. </SPAN>\n" );
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