What are the vertex and focus of the parabola with equation y=x2−6x+15

?

Identify the vertex.

(1 point)
Responses

vertex: (6, 3)
vertex: (6, 3)

vertex: (3, -6)
vertex: (3, -6)

vertex: (3, 6)
vertex: (3, 6)

vertex: (-3, 6)