document.write( "Question 237697: does the parabola open up or down?
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document.write( "y=4+6x-2xsquared
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Algebra.Com's Answer #175761 by Photonjohn(42) ![]() You can put this solution on YOUR website! down\r \n" ); document.write( "\n" ); document.write( "y=x^2 opens up\r \n" ); document.write( "\n" ); document.write( "y= -x^2 opens down \n" ); document.write( " |