document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196953>Question 196953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation of the axis of symmetry and the coordinates of the vertex of the graph of each function.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E2%2B12x-9 ALIGN=MIDDLE  ALT=\"y=x%5E2%2B12x-9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Axis of symmetry is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-b%2F2a ALIGN=MIDDLE  ALT=\"x=-b%2F2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "for a function, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=ax%5E2%2Bbx%2Bc ALIGN=MIDDLE  ALT=\"f%28x%29=ax%5E2%2Bbx%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-12%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x=-12%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=-6 is the axis of symmetry.<BR>\n" );
document.write( "x coordinate of vertex is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-b%2F2a ALIGN=MIDDLE  ALT=\"-b%2F2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y coordinate of vertex is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-b%2F2a%29+=+-6%5E2%2B%2812%2A-6%29-9+=-45 ALIGN=MIDDLE  ALT=\"f%28-b%2F2a%29+=+-6%5E2%2B%2812%2A-6%29-9+=-45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So vertex = (-6,-45) </SPAN>\n" );
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