document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78746>Question 78746</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Scetch the graph of the quad function.  Give the vertex and axis of symmetry.  <BR>\n" );
document.write( "f(x)=x2-2x-8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56474 by </B><A HREF=/tutors/aboutme.mpl?userid=chitra><B>chitra(359)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chitra><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=56474\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The given equation is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28x%29+=+x%5E2+-+2x+-+8+ ALIGN=MIDDLE  ALT=\"+f%28x%29+=+x%5E2+-+2x+-+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "This can be written as:  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+y+=+x%5E2+-+2x+-+8+ ALIGN=MIDDLE  ALT=\"f%28x%29+=+y+=+x%5E2+-+2x+-+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+x%5E2+-+2x+%2B+1+-+1+-+8+ ALIGN=MIDDLE  ALT=\"+y+=+x%5E2+-+2x+%2B+1+-+1+-+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+%28x+-+1%29%5E1+-+9+ ALIGN=MIDDLE  ALT=\"+y+=+%28x+-+1%29%5E1+-+9+\"   DISABLED_style= \"max-width:90%; height:auto;\" >    \r<BR>\n" );
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document.write( "From this equation we observe that the equation of symmetry is x = 1 and it is a parabola facing above (or concave upwards) \r<BR>\n" );
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document.write( "The vertex of this graph is (-9,1) and the graph of this is plotted as shown below.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+400%2C+400%2C+-15%2C+15%2C+-15%2C+15%2C+x%5E2+-+2x+-+8%29+ ALIGN=MIDDLE  ALT=\"+graph%28+400%2C+400%2C+-15%2C+15%2C+-15%2C+15%2C+x%5E2+-+2x+-+8%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "I hope the solution is quite clear and if you have any queries you can get back to me.\r<BR>\n" );
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document.write( "Regards<BR>\n" );
document.write( "Chitra\r<BR>\n" );
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