document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170145>Question 170145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The question states, write the standard equation for each conic given the following info. \r<BR>\n" );
document.write( "\n" );
document.write( "Parabola with a focus (-2,3) and a directrix x=2\r<BR>\n" );
document.write( "\n" );
document.write( "how do i write the standard equation with this given information?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #125589 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=125589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> write the standard equation for each conic given the following info. <BR>\n" );
document.write( "Parabola with a focus (-2,3) and a directrix x=2 <BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Plot the information you have so you can see what is happening.<BR>\n" );
document.write( "The vertex is equidistanc from the directrix and the focus<BR>\n" );
document.write( "so it must be at (0,3)<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "p is the distance from the vertex to the focus; so p=-2.<BR>\n" );
document.write( "Then 4p = -8<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Equation Form: <BR>\n" );
document.write( "(y-k)^2 = 4p(x-h) where (h,k) is the vertex.<BR>\n" );
document.write( "Your Equation:<BR>\n" );
document.write( "(y-3)^2 = -8(x)<BR>\n" );
document.write( "===========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );