document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=750690>Question 750690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the directrix of the parabola with the equation y^2=12x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #456756 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=456756\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Comparing to the derived parabola in standard position your equation would seem to be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%281%2F12%29y%5E2 ALIGN=MIDDLE  ALT=\"x=%281%2F12%29y%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%284p%29=1%2F12 ALIGN=MIDDLE  ALT=\"1%2F%284p%29=1%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The meaning of p is the focal length. It is also how far the vertex is from the focus.  Find p.\r<BR>\n" );
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document.write( "Note, your parabola opens to the right and vertex is at the left. </SPAN>\n" );
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