document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754645>Question 754645</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the vertex and the focus of the parabola x^2=-16y. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459893 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=459893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the vertex and the focus of the parabola x^2=-16y.<BR>\n" );
document.write( "This is an equation of a parabola that opens downward with vertex at (0,0)<BR>\n" );
document.write( "Its basic form: x^2=-4py<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "Axis of symmetry: x=0<BR>\n" );
document.write( "4p=16<BR>\n" );
document.write( "p=4<BR>\n" );
document.write( "focus: (0,-4) (p-distance below vertex on the axis of symmetry) </SPAN>\n" );
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