## Algebra 1: Common Core (15th Edition)

Vertex = $(0,-6)$ Axis of Symmetry is $x=0$
$Y = -3x^{2} - 6$ Use $\frac{-b}{2a}$ to find x coordinate $\frac{-0}{2a} = 0$ X coordinate = 0 Plug in the x coordinate to get the y coordinate $Y = -3*0^{2} - 6 = 0$ Y coordinate = 0 Axis of Symmetry is equal to x coordinate Axis of Symmetry is x = 0