document.write( "Question 195478: explain how you can tell whether a parabola opens upward, downward, to the left, or to the right \n" ); document.write( "
Algebra.Com's Answer #146617 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! explain how you can tell whether a parabola opens upward, downward, to the left, or to the right \n" ); document.write( "---------------------------- \n" ); document.write( "The x^2 or y^2 term is the deciding element. \n" ); document.write( "------------ \n" ); document.write( "y = x^2 opens upward \n" ); document.write( "y = -x^2 opens downward \n" ); document.write( "x = y^2 opens to the right \n" ); document.write( "x = -y^2 opens to the left \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |