Question

What is the vertex of this parabola `x = (y - 2)^2 + 4`?

Answer 1

`(4, 2)` i.e. `x = 4`, `y = 2`.

The axis of this parabola is parallel to the x-axis, with a minimum `x` value when `(y - 2) = 0`, i.e. `y = 2`.