Question

What is the axis of symmetry and vertex for the graph `y = 3x² + 6x + 2`?

Answer 1

Vertex (-1, -1)

Explanation:

x-coordinate of vertex, and of the axis of symmetry:
`x = -b/(2a) = - 6/6 = -1`
y-coordinate of vertex:
y(-1) = 3 - 6 + 2 = -1.
Vertex (-1, -1)