document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=755031>Question 755031</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the vertex, focus and directrix of a parabola represented by the equation (x-3)^2=-8(y=2) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459730 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=459730\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the vertex, focus and directrix of a parabola represented by the equation <BR>\n" );
document.write( "(x-3)^2=-8(y-2)<BR>\n" );
document.write( "This is an equation of a parabola that opens downward.<BR>\n" );
document.write( "Its basic equation: (x-h)^2=-4p(y-k)<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "vertex: (3,2)<BR>\n" );
document.write( "axis of symmetry: x=3<BR>\n" );
document.write( "4p=8<BR>\n" );
document.write( "p=2<BR>\n" );
document.write( "focus: (3,0) (p units below vertex on the axis of symmetry)<BR>\n" );
document.write( "directrix: y=4 (p units above vertex on the axis of symmetry) </SPAN>\n" );
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