document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306946>Question 306946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i have my final coming up and i need help on how to solve this problem. I don't understand it what so ever, please state the steps.<BR>\n" );
document.write( "QUESTION: write the equation for the conic section in standard for: <BR>\n" );
document.write( "Parabola with vertex at the origin and a directrix y=5. Give the coordinates of the focus. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219589 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=219589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Obviously you have to work backwards from the vertex (0,0) and the directrix y=5<BR>\n" );
document.write( "And we have two questions :<BR>\n" );
document.write( "What is the equation of the conic section?<BR>\n" );
document.write( "What is the focus?<BR>\n" );
document.write( "What conic sections have one focus, vertex and directrix?<BR>\n" );
document.write( "parabola<BR>\n" );
document.write( "the parabola y=x^2 has vertex (0,0)<BR>\n" );
document.write( "y=-x^2/20<BR>\n" );
document.write( "focus =(0,-5) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );