document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=733804>Question 733804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me find the axis of symmetry, the focus, directrix and vertex of the parabola.\r<BR>\n" );
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document.write( "(x+2) ^ 2 - 16 (y-1) = 0\r<BR>\n" );
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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 #448612 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=448612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the axis of symmetry, the focus, directrix and vertex of the parabola. <BR>\n" );
document.write( "(x+2) ^ 2 - 16 (y-1) = 0 <BR>\n" );
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document.write( "Form of parabola opening up:<BR>\n" );
document.write( "(x+2)^2 = 16(y-1)<BR>\n" );
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document.write( "Vertex: (-2,1)<BR>\n" );
document.write( "Axis of symmetry: x = -2<BR>\n" );
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document.write( "Since 4p = 16, p = 4<BR>\n" );
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document.write( "Directrix: y = -3<BR>\n" );
document.write( "Focus::   (-2,5)<BR>\n" );
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document.write( "16y-16 = (x+2)^2<BR>\n" );
document.write( "16y = (x+2)^2+16<BR>\n" );
document.write( "y = (1/16)(x+2)^2+1<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========================== </SPAN>\n" );
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