Question 161671
Y=2X^2-3X-1
{{{ graph( 300, 200, -6, 5, -10, 10, 2x^2 -3x -1) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2x^2 -3x -1).
(1,-2), (0,-1),(2,1)