Question 307327
y=2x^2-6x-8
{{{ graph( 300, 200, -6, 5, -10, 10, 2x^2 -6x -8) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 2x^2 -6x -8). 
Answer -1 & 4 are the x intercepts.