Question

What is the the vertex of `y=3x^2-12+3`?

Answer 1

Vertex (2, -9)

Explanation:

`y = 3x^2 - 12x + 3`
x-coordinate of vertex:
`x = -b/(2a) = 12/6 = 2.`
y-coordinate of vertex:
y(2) = 12 - 24 + 3 = - 9

Vertex (2, -9)
graph{3x^2 - 12x + 3 [-20, 20, -10, 10]}