document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161596>Question 1161596</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A kicker starts a football game by \"kicking off\".  The quadratic function y = -6x 2 + 12x models the football's height after x seconds.  How long, in seconds, is the football in the air? </SPAN>\n" );
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document.write( "The number of seconds that it is in the air is the number of seconds until the height returns to 0.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6x%5E2%2B12x+=+0 ALIGN=MIDDLE  ALT=\"-6x%5E2%2B12x+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6%28x%29%28x-2%29+=+0 ALIGN=MIDDLE  ALT=\"-6%28x%29%28x-2%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "The football is at height 0 at x = 0 and x=2; it is in the air for 2 seconds.<br><BR>\n" );
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