document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766280>Question 766280</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use completing the square to describe the graph of f(x) =8-16x-x^2. Support your answers graphically.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466805 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=466805\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-x%5E2-16x%2B8 ALIGN=MIDDLE  ALT=\"f%28x%29=-x%5E2-16x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "factor a -1:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%28x%5E2%2B16x-8%29 ALIGN=MIDDLE  ALT=\"-1%28x%5E2%2B16x-8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Determine the missing square term:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2816%2F2%29%5E2=64 ALIGN=MIDDLE  ALT=\"%2816%2F2%29%5E2=64\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add and subtract 64 inside the grouped polynomial factor:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%29%28x%5E2%2B16x%2B64-64-8%29 ALIGN=MIDDLE  ALT=\"%28-1%29%28x%5E2%2B16x%2B64-64-8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Factor the desired square term existing inside the parentheses:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%29%28%28x%2B8%29%5E2-72%29 ALIGN=MIDDLE  ALT=\"%28-1%29%28%28x%2B8%29%5E2-72%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.... and take care of a little bit more of the arithmetic..\r<BR>\n" );
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document.write( "Remultiply:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28x%2B8%29%5E2%2B72 ALIGN=MIDDLE  ALT=\"-%28x%2B8%29%5E2%2B72\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Function ready to graph is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=-%28x%2B8%29%5E2%2B72 ALIGN=MIDDLE  ALT=\"f%28x%29=-%28x%2B8%29%5E2%2B72\"   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=graph%28450%2C450%2C-15%2C15%2C-5%2C80%2C-%28x%2B8%29%5E2%2B72%29 ALIGN=MIDDLE  ALT=\"graph%28450%2C450%2C-15%2C15%2C-5%2C80%2C-%28x%2B8%29%5E2%2B72%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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