document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=51091>Question 51091</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/061838670X/algebrahomeworkh>college algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> x^2+8x-y+6=0\r<BR>\n" );
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document.write( "Find the vertex, focus, and directrix of the parabola. Sketch the graph. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #38273 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=38273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 + 8x + 6 = y<BR>\n" );
document.write( "v(-b/2a,f(x))<BR>\n" );
document.write( "v(-8/2,f(x))<BR>\n" );
document.write( "v(-4,-10)<BR>\n" );
document.write( "~> p = 1/(4a)<BR>\n" );
document.write( "~> p = 1/4 = 0.25<BR>\n" );
document.write( "focus: (-4,-9.75)<BR>\n" );
document.write( "directrix: y = -10.25<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-12%2C12%2C-12%2C12%2Cx%5E2%2B8x%2B6%2C-10.25%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-12%2C12%2C-12%2C12%2Cx%5E2%2B8x%2B6%2C-10.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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