Question

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

Answer 1

vertex: `(1,3)`

Explanation:

Any quadratic in the form
`color(white)("XXX")y=m(x-a)^2+b`
is in "vertex form" with a vertex at `(a,b)`

`y=3(3x-3)^2+3 = 3(3^2(x-1)^2)+3 = 27(x-1)^2+3`
which is in "vertex form" with vertex at `(1,3)`