Question 201557
f(x)=x^2-5x-24
{{{ graph( 300, 200, -6, 15, -25, 10, x^2 -5x -24) }}} (graph 300x200 pixels, x from -6 to 15, y from -25 to 10, x^2 -5x -24). 
Answer: (-3,0)(8,0)(0,-24)