Question

Find the axis of symmetry for this parabola.




y = 3x2 - 6x - 9






x = -3



x = 1




x = 3



x = 4

Answer 1

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