document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700859>Question 700859</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the equation of the horizontal line that passes through the points (4,-6) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432048 by </B><A HREF=/tutors/aboutme.mpl?userid=neatmath><B>neatmath(302)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=neatmath><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=neatmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=432048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><font face=\"Tahoma\">The equation of a horizontal line is always:<br>\r<BR>\n" );
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document.write( "<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 c is some constant.<br>\r<BR>\n" );
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document.write( "Notice there is no x to be found.<br>\r<BR>\n" );
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document.write( "So in this case, our horizontal line goes through the point (4,-6).<br>\r<BR>\n" );
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document.write( "This means that our \"c\" is simply -6,<br>\r<BR>\n" );
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document.write( "as that is the y-coordinate of our given point.<br>\r<BR>\n" );
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document.write( "The line also goes through (3,-6), (2,-6) and even (-548,-6),<br>\r<BR>\n" );
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document.write( "and an infinite number of other points.<br>\r<BR>\n" );
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document.write( "The equation for this particular horizontal line is:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-6 ALIGN=MIDDLE  ALT=\"y=-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "And you probably know this by now, but<br>\r<BR>\n" );
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document.write( "the vertical line going through the same point (4,-6) is simply:<br>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=4 ALIGN=MIDDLE  ALT=\"x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( "I hope this helps!  Keep practicing!  :)<br>\r<BR>\n" );
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