document.write( "Question 618931: Does this parabola open upward or downward? How do you know?\r
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document.write( "y=-3x^2 \n" );
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Algebra.Com's Answer #389231 by mananth(16949) You can put this solution on YOUR website! The co-efficient of x^2 is negative. \n" ); document.write( "So the graph opens downward \n" ); document.write( " |