Question

What is the the vertex of `y = 3x^2 -6x +8`?

Answer 1

Vertex (1, 5)

Explanation:

x-coordinate of vertex:
`x = -b/(2a) = 6/6 = 1`
y-coordinate of vertex:
`y(1) = 3(1) - 6(1) + 8 = 5`

`Vertex (1, 5)`