document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=611870>Question 611870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> identify the focus and the directrix of each parabola -5y^2 - x =0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #385194 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=385194\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> identify the focus and the directrix of each parabola<BR>\n" );
document.write( "-5y^2 - x =0<BR>\n" );
document.write( "5y^2=-x<BR>\n" );
document.write( "y^2=-x/5<BR>\n" );
document.write( "This is a parabola that opens leftwards<BR>\n" );
document.write( "Its standard form of equation: ((y-k)^2=4p(x-h), (h,k)=(x,y) coordinates of vertex<BR>\n" );
document.write( "For given parabola:<BR>\n" );
document.write( "vertex:(0,0)<BR>\n" );
document.write( "axis of symmetry: (x-axis) or y=0<BR>\n" );
document.write( "4p=1/5<BR>\n" );
document.write( "p=1/20<BR>\n" );
document.write( "focus:(1/20,0) (p units from vertex on axis of symmetry)<BR>\n" );
document.write( "Directrix: x=-1/20 (p units from vertex on axis of symmetry)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );