document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=724037>Question 724037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Identify the vertex, focus, and directrix of the parabola. x=-1/4(y+1)^2+2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443550 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=443550\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Identify the vertex, focus, and directrix of the parabola. x=-1/4(y+1)^2+2<BR>\n" );
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document.write( "Form: (y-k)^2 = 4p(x-h)<BR>\n" );
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document.write( "Your problem:<BR>\n" );
document.write( "(y+1)^2 = -4(x-2)<BR>\n" );
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document.write( "Vertex: (2,-1)<BR>\n" );
document.write( "4p = -4<BR>\n" );
document.write( "p = -1<BR>\n" );
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document.write( "Focus: (2+-1,-1) = (1,-1)<BR>\n" );
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document.write( "Directrix: (2--1,-1) = (3,-1)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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