Question 184474
y = x^2 - 2x - 3 
{{{ graph( 300, 200, -6, 5, -10, 10, x^2 -2x -3) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 -2x -3). 
(-1,0) & (3,0) are the x intercepts.