document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=955145>Question 955145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the formula for the quadratic function whose graph has a vertex of (1,2) and passes through the point (-1,-6).\r<BR>\n" );
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document.write( "Use the coordinates of the vertex to write p(x) in the form p(x)=a(x-h)^2+k (a unknown)\r<BR>\n" );
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document.write( "Use the coordinates of the second point to solve for a.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #583423 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=583423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using the vertex form,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-1%29%5E2%2B2 ALIGN=MIDDLE  ALT=\"y=a%28x-1%29%5E2%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then using the point,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6=a%28-1-1%29%5E2%2B2 ALIGN=MIDDLE  ALT=\"-6=a%28-1-1%29%5E2%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%28-2%29%5E2=-8 ALIGN=MIDDLE  ALT=\"a%28-2%29%5E2=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%284%29=-8 ALIGN=MIDDLE  ALT=\"a%284%29=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=-2 ALIGN=MIDDLE  ALT=\"a=-2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=-2%28x-1%29%5E2%2B2%29 ALIGN=MIDDLE  ALT=\"highlight%28y=-2%28x-1%29%5E2%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-8%2C8%2C-12%2C4%2Cgrid%281%29%2Ccircle%281%2C2%2C0.3%29%2Ccircle%28-1%2C-6%2C0.3%29%2Cgraph%28300%2C300%2C-8%2C8%2C-12%2C4%2C-2%28x-1%29%5E2%2B2%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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