document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990161>Question 990161</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the slope of the line if is is defined. through (3,6) and (3,-10) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610220 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=610220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The x coordinates of both points are equal. So we'll have 0 in the denominator of the slope formula (since we subtract the x values)\r<BR>\n" );
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document.write( "Recall that you cannot divide by zero. So the slope is undefined. This is a vertical line. All vertical lines have undefined slopes. </SPAN>\n" );
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