document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1028311>Question 1028311</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.\r<BR>\n" );
document.write( "\n" );
document.write( "2.Find the vertex, focus, directrix, and focal width of the parabola. \r<BR>\n" );
document.write( "\n" );
document.write( "x = 3y^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #643411 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=643411\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> These two videos give strong guidance for these types of problems:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<a  rel=nofollow HREF=\"https://www.youtube.com/watch?v=M8LGsQMwwj4\">Derive parabola equation, if vertex at the Origin</a>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<a  rel=nofollow HREF=\"https://www.youtube.com/watch?v=Wworlx39KfQ\">Deriving parabola equation for vertex NOT at Origin</a> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );