document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056076>Question 1056076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write an equation of the parabola with the given characterists<BR>\n" );
document.write( "focus: (0,-4) directrix: y =4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671241 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=671241\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write an equation of the parabola with the given characterists<BR>\n" );
document.write( "focus: (0,-4) directrix: y =4 <BR>\n" );
document.write( "---<BR>\n" );
document.write( "Plot the focus at (0,-4)<BR>\n" );
document.write( "Sketch the directrix at y = 4<BR>\n" );
document.write( "----<BR>\n" );
document.write( "The vertex is half-way between the line and the fucus<BR>\n" );
document.write( "Vertex at (0,0)<BR>\n" );
document.write( "p = 2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Vertex form:: (x-h)^2 = 4p(y-k)<BR>\n" );
document.write( "x^2 = 8y<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Ans: y = (1/8)x^2<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );