document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=863349>Question 863349</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A parabola has its vertex at the origin, and the coordinates of its focus are (0,10). Find the equation of the directrix.  <BR>\n" );
document.write( "I believe the answer is y=-10.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520345 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=520345\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> yes, the directrix is y = -10, good work<BR>\n" );
document.write( "Parabola opening Upward with V(0,0) </SPAN>\n" );
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