document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=960156>Question 960156</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (reasoning) consider the equation Ax+By=C<BR>\n" );
document.write( "a. what must be true of the equation if its graph is a vertical line?<BR>\n" );
document.write( "b. what must be true of the equation if its graph is a horizontal line? <BR>\n" );
document.write( "please help me! i have no clue what they want me to do. i don't know where to start. this problem makes absolutely no sense to me. Can you help me understand? (step by step) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586816 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=586816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Horizontal lines have the form, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=c ALIGN=MIDDLE  ALT=\"y=c\"   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c ALIGN=MIDDLE  ALT=\"c\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a constant.<BR>\n" );
document.write( "Vertical lines have the form, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=c ALIGN=MIDDLE  ALT=\"x=c\"   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c ALIGN=MIDDLE  ALT=\"c\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a constant.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax%2BBy=C ALIGN=MIDDLE  ALT=\"Ax%2BBy=C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=0 ALIGN=MIDDLE  ALT=\"A=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=By=C ALIGN=MIDDLE  ALT=\"By=C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=C%2FB ALIGN=MIDDLE  ALT=\"y=C%2FB\"   DISABLED_style= \"max-width:90%; height:auto;\" > Horizontal line<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=0 ALIGN=MIDDLE  ALT=\"B=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax%2B0y=C ALIGN=MIDDLE  ALT=\"Ax%2B0y=C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax=C ALIGN=MIDDLE  ALT=\"Ax=C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=C%2FA ALIGN=MIDDLE  ALT=\"x=C%2FA\"   DISABLED_style= \"max-width:90%; height:auto;\" > Vertical line </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );