document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=870814>Question 870814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 18. Write an equation of a parabola with the given focus and directrix. Focus-(0,3), Directrix- y=-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525162 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Focus(0,3), Directrix; y=-1<BR>\n" );
document.write( "Parabola Opening Upward ( 3 + -1)/2) = 1<BR>\n" );
document.write( "V(0, 1) , p = 4 , a = 1/(4p) = 1/24<BR>\n" );
document.write( "y = (1/24)x^2 + 1  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );