Find the axis of symmetry for this parabola. y = 3x2 - 6x - 9 x = -3 x = 1 x = 3 x = 4

Find the axis of symmetry for this parabola.

y = 3x2 - 6x - 9

x = -3
☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆x = 1
x = 3
x=4

-b/2a=-(-6)/2(3)
=6/6=1