document.write( "Question 237697: does the parabola open up or down?
\n" ); document.write( "y=4+6x-2xsquared
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #175761 by Photonjohn(42)\"\" \"About 
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( "
\n" );