document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=239272>Question 239272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope of the line.<BR>\n" );
document.write( "x=5\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 #175738 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=175738\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the standard form of the equation for a straight line is:\r<BR>\n" );
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document.write( "ax + by = c\r<BR>\n" );
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document.write( "where:\r<BR>\n" );
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document.write( "a = 1<BR>\n" );
document.write( "b = 0<BR>\n" );
document.write( "c = 5\r<BR>\n" );
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document.write( "the equation becomes:\r<BR>\n" );
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document.write( "1x + 0y = 5\r<BR>\n" );
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document.write( "this reduces to x = 5\r<BR>\n" );
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document.write( "the value of x is always 5.\r<BR>\n" );
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document.write( "y can be any value because it is not dependent on the value of x since it is no longer a part of the equation.\r<BR>\n" );
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document.write( "the slope is equal to (y2-y1)/(x2-x1) which winds up being anything divided by 0 which makes it undefined.\r<BR>\n" );
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document.write( "this is the equation of a vertical line at x = 5.\r<BR>\n" );
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document.write( "the slope is undefined.\r<BR>\n" );
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