The parabola with equation y=ax^2+bx+c is graphed with a point of (4,12) and a vertex of (2, -4). The zeros of the quadratic ax^2 + bx + c are at x=m and x=n, where m>n. What is m-n?
The parabola with equation y=ax^2+bx+c is graphed with a point of (4,12) and a vertex of (2, -4). The zeros of the quadratic ax^2 + bx + c are at x=m and x=n, where m>n. What is m-n?