document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=933222>Question 933222</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the directrix of the parabola represented by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y%2B4%29%5E2=8%28x-5%29+ ALIGN=MIDDLE  ALT=\"+%28y%2B4%29%5E2=8%28x-5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566692 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=566692\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the directrix of the parabola represented by <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28y%2B4%29%5E2=8%28x-5%29+ ALIGN=MIDDLE  ALT=\"+%28y%2B4%29%5E2=8%28x-5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is an equation of a parabola that opens rightward<BR>\n" );
document.write( "Its basic form of equation: (y-k)^2=4p(x-h), (h,k)=coordinates of the vertex<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "vertex:(5,-4)<BR>\n" );
document.write( "axis of symmetry: y=-4<BR>\n" );
document.write( "4p=8<BR>\n" );
document.write( "p=4<BR>\n" );
document.write( "directrix: x=1 (p-distance left of vertex on the axis of symmetry)<BR>\n" );
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