document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=879032>Question 879032</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the equation of a parabola given the focus (3,0) and the vertex (-3,0)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #530455 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=530455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The directrix is on the other side of the vertex from the focus and is x=-6, y is unrestricted.  The general point for the directrix is any of (-6,y).  The parabola is a general point, (x,y).  Following the definition of a parabola, form the equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28x-3%29%5E2%2B%28y-0%29%5E2%29=sqrt%28%28x-%28-6%29%29%5E2%2B%28y-y%29%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%28x-3%29%5E2%2B%28y-0%29%5E2%29=sqrt%28%28x-%28-6%29%29%5E2%2B%28y-y%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "Simplify that and put into either general form or standard form. </SPAN>\n" );
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