document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=56633>Question 56633</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016020/algebrahomeworkh>Beginning Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me on this problem?\r<BR>\n" );
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document.write( "  I need to write the equation of the line passing through each pairs of points.  I need to write the result in slope-intercept form, where possible.\r<BR>\n" );
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document.write( "  (2, -3) and (2, 4)<BR>\n" );
document.write( "  Thanks, Ashley </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #38426 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=38426\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi Ashley,<BR>\n" );
document.write( "  (2, -3) and (2, 4)<BR>\n" );
document.write( "  Did you notice that the x's are the same in both points?  If you plotted them and connected the points you'd have a vertical line going through x=2.  The equation of a vertical line going through x=2 is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=2%29 ALIGN=MIDDLE  ALT=\"highlight%28x=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "If you didn't recognize that, try to find the slope using the slope formula: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28m=%28y2-y1%29%2F%28x2-x1%29%29 ALIGN=MIDDLE  ALT=\"highlight%28m=%28y2-y1%29%2F%28x2-x1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x1,y1)=(2,-3) and (x2,y2)=(2,4)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%284-%28-3%29%29%2F%282-2%29 ALIGN=MIDDLE  ALT=\"m=%284-%28-3%29%29%2F%282-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=7%2F0 ALIGN=MIDDLE  ALT=\"m=7%2F0\"   DISABLED_style= \"max-width:90%; height:auto;\" > 0 UNder the bridge=UNdefined is a cool way of remembering that when 0 is in the denominator the fraction is undefined.<BR>\n" );
document.write( "Only vertical lines have undefined slopes, and vertical lines are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=k%29 ALIGN=MIDDLE  ALT=\"highlight%28x=k%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where k is some constant.<BR>\n" );
document.write( "You can't write this kind of line in slope intercept form, it is a special case:<BR>\n" );
document.write( "x=2<BR>\n" );
document.write( "Happy Calculating, Ashley!!! </SPAN>\n" );
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