document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=575507>Question 575507</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) write the equation in slope intercept form (solved for y), when possible. Through (6,-7) parallel to the y-axis\r<BR>\n" );
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document.write( "2) write the equation in slope intercept form (solved for y), when possible. Through (-1,-6) perpendicular to the y-axis\r<BR>\n" );
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document.write( "3) Find an equation of the line with the given slope that passes through a given point. write the equation Ax+By=C .... m= -1, (-5,-9) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #369499 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=369499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "I already answered this one.\r<BR>\n" );
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document.write( "A line parallel to the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large y\">-axis is a vertical line.  Vertical lines have a couple of interesting characteristics.  In the first place, ALL of the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">-coordinates of the set of ordered pairs that comprise the line have to be identical.  Since all of the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">-coordinates are equal, no matter which two points you choose for the purposes of computing the slope, the slope fraction will have a zero denominator.  Hence, the slope of any vertical line is undefined.\r<BR>\n" );
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document.write( "You can't write the equation of a vertical line in slope-intercept form because the slope quantity is undefined.  However, since the <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\">-coordinates of all the points on the line are identical, the equation of a vertical line passing through the point <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (a, b)\"> is uniquely defined by the equation <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large x\ =\ a\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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