document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=583308>Question 583308</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We are finding the vertex, focus or directive. Then finding an equation and graphing.<BR>\n" );
document.write( "the problem I am having trouble with is <BR>\n" );
document.write( "vertex= 0,0<BR>\n" );
document.write( "Focus =3,0<BR>\n" );
document.write( "so y=-3<BR>\n" );
document.write( "here is the formula I get<BR>\n" );
document.write( "(y+3)^2=(x-3)^2+(y-0)^2<BR>\n" );
document.write( "y^2+6y+9=(x-3)^2+y^2<BR>\n" );
document.write( "ans I get is:<BR>\n" );
document.write( "y+3/2=1/6(x-3)^2<BR>\n" );
document.write( "But the teacher gives us the answers and it is x=1/12y^2<BR>\n" );
document.write( "Can someone explain how she got this answer?<BR>\n" );
document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #372423 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=372423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the vertex and the focus lie on the axis of symmetry, which is ___ y = 0<BR>\n" );
document.write( "___ this is a side-to-side parabola, not up-and-down\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the directrix is ___ x = -3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );