document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=932349>Question 932349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the standard form of the equation of the parabola with focus: (12,0) and directrix: x=-12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566104 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</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=566104\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rely on the definition of parabola and use the Distance Formula, unless you already know the formula for a parabola already derived.\r<BR>\n" );
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document.write( "The directrix is the general point in your example, of  (-12,y).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28x-12%29%5E2%2B%28y-0%29%5E2%29=sqrt%28%28x-%28-12%29%29%5E2%2B%28y-y%29%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%28x-12%29%5E2%2B%28y-0%29%5E2%29=sqrt%28%28x-%28-12%29%29%5E2%2B%28y-y%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which should make sense IF you understand the definition of a parabola.  Simplify and put into whichever form you want. </SPAN>\n" );
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