document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=963400>Question 963400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (Y+5)^2=-4X+28<BR>\n" );
document.write( "Whats the directrix, vertex, and focus? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #588577 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=588577\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (Y+5)^2=-4X+28<BR>\n" );
document.write( "Whats the directrix, vertex, and focus?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "(y+5)^2=-4(x-7)<BR>\n" );
document.write( "This is an equation of a parabola that opens leftward<BR>\n" );
document.write( "Its basic equation: (y-k)^2=4p(x-k), (h,k)=coordinates of the vertex<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "vertex: (7,-5)<BR>\n" );
document.write( "4p=4<BR>\n" );
document.write( "p=1<BR>\n" );
document.write( "axis of symmetry: y=5<BR>\n" );
document.write( "focus: (6,-5) (p-distance left of vertex on the axis of symmetry)<BR>\n" );
document.write( "directrix: x=8 (p-distance right of vertex on the axis of symmetry) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );