document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=54878>Question 54878</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation in slope intercept form for the line that satisfies each set of conditions.\r<BR>\n" );
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document.write( "passes through (7,1) and (7,8) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37159 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=37159\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an equation in slope intercept form for the line that satisfies each set of conditions.<BR>\n" );
document.write( "passes through (7,1) and (7,8)<BR>\n" );
document.write( "This is a trick question, because you can't wriet this equation in slope intercept form.  It's slope is undefined and it doesn't have a y-intercept.<BR>\n" );
document.write( "The formula for slope when given two points is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28m=%28y2-y1%29%2F%28x1-x2%29%29 ALIGN=MIDDLE  ALT=\"highlight%28m=%28y2-y1%29%2F%28x1-x2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "your (x1,y1)=(7,1)  and your (x2,y2)=(7,8)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%288-1%29%2F%287-7%29 ALIGN=MIDDLE  ALT=\"m=%288-1%29%2F%287-7%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;\" > When 0 is the denominator of a fraction, the fraction is undefined.<BR>\n" );
document.write( "Lines with undefined slopes are special cases, they are vertical lines.<BR>\n" );
document.write( "The equation of a vertical line going through those two points is:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=7%29 ALIGN=MIDDLE  ALT=\"highlight%28x=7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Happy Calculating!!! </SPAN>\n" );
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