Question 127007
Y=-2(X+1)^2+5
Y=-2(X^2+2X-1)+5
Y=-2X^2-4X+2+5
Y=-2X^2-4X+7
{{{ graph( 300, 200, -6, 5, -10, 10, -2x^2 -4x +7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -2x^2 -4x +7).