Mathematics

Cecilia

24 January, 16:37

The function f (x) = - 3x2 + 36x - 119 written in vertex form is f (x) = - 3 (x - 6) 2 - 11. Which statements are true about the graph of f (x) ? Check all that apply.

The axis of symmetry is the line x = 6.

The vertex of the graph is at (-6, - 11).

The parabola has a minimum.

The parabola opens down.

The value of h, when the equation is written in vertex form, is positive.