Graph the equation. identify the vertex and the axis of symmetry.
y=-3x^2-6

select one:
a. vertex: (0, 6)
axis of symmetry: x = 0

b. vertex: (6,0)
axis of symmetry: x = 6

c. vertex: (0, -6)axis of symmetry: x = 0
d. vertex: (-6, 0)
axis of symmetry: x = -6

The graph below shows the line of best fit for data collected on the number of cell phones and cell phone cases sold at a local electronics store on twelve different days. number of cell phone cases sold 50 * 0 5 10 15 20 25 30 35 40 45 number of cell phones sold which of the following is the equation for the line of best fit? a. y = 0.8x b. y = 0.2x c. y=0.5x d. y = 0.25x