document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=317033>Question 317033</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Do I use the standard form or the vertex form for a parabola to solve the following equation on a graph? \r<BR>\n" );
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document.write( "f(x)=x^2-7x-8\r<BR>\n" );
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document.write( "(I need to know what the vertex, line of symmetry, x-intercepts, and opening of the graph are) \r<BR>\n" );
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document.write( "Thanx!! =)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227005 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=227005\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertex form. Complete the square to get there.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E2-7x-8 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E2-7x-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E2-7x%2B49%2F4-8-49%2F4 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E2-7x%2B49%2F4-8-49%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%28x-7%2F2%29%5E2-32%2F4-49%2F4 ALIGN=MIDDLE  ALT=\"f%28x%29=%28x-7%2F2%29%5E2-32%2F4-49%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%28x-7%2F2%29%5E2-81%2F4 ALIGN=MIDDLE  ALT=\"f%28x%29=%28x-7%2F2%29%5E2-81%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Vertex is (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F2 ALIGN=MIDDLE  ALT=\"7%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-81%2F4 ALIGN=MIDDLE  ALT=\"-81%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >).<BR>\n" );
document.write( "Axis of symmetry is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=7%2F2 ALIGN=MIDDLE  ALT=\"x=7%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Coefficient of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > term is positive, parabola opens upwards. <BR>\n" );
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document.write( "Solve to get the x-intercepts,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%28x-7%2F2%29%5E2-81%2F4=0 ALIGN=MIDDLE  ALT=\"f%28x%29=%28x-7%2F2%29%5E2-81%2F4=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-7%2F2%29%5E2=81%2F4 ALIGN=MIDDLE  ALT=\"%28x-7%2F2%29%5E2=81%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-7%2F2=0+%2B-+9%2F2 ALIGN=MIDDLE  ALT=\"x-7%2F2=0+%2B-+9%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=7%2F2+%2B-+9%2F2 ALIGN=MIDDLE  ALT=\"x=7%2F2+%2B-+9%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=8 ALIGN=MIDDLE  ALT=\"x=8\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-1 ALIGN=MIDDLE  ALT=\"x=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-2%2C10%2C-30%2C10%2Cgrid%281%29%2C%0D%0Acircle%287%2F2%2C-81%2F4%2C0.3%29%2C%0D%0Acircle%288%2C0%2C0.3%29%2C%0D%0Acircle%28-1%2C0%2C0.3%29%2C%0D%0Ablue%28line%287%2F2%2C-50%2C7%2F2%2C50%29%29%2C%0D%0Agraph%28300%2C300%2C-2%2C10%2C-30%2C10%2C+x%5E2-7x-8%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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