What are the vertex, focus, and directrix of the parabola with equation y = x2 -6x + 15?

(1 point)

vertex: (3, 6)

focus: (3, 6.25)

directrix: y = 5.75

vertex: (6, 3)

focus: (6, 3.25)

directrix: x = 2.75

vertex: (3, -6)

focus: (3, -5.75)

directrix: y = -6.25

vertex: (3, -6)

focus: (3.25, -6)

directrix: y = 2.75

1 answer

The correct answer is:

Vertex: (3, 6)
Focus: (3, 6.25)
Directrix: y = 5.75