Question

What is the vertex of `y= 3x^2-18x+17`?

Answer 1

Vertex (3, -10)

Explanation:

x-coordinate of vertex:
`x + -b/(2a) = 18/6 = 3`
y-coordinate of vertex:
y(3) = 27 - 54 + 17 = - 10
Vertex (3, -10)