Find Vertex Focus and Directrix of Parabola

(y-4)² = -8(x+1)
What are the coordinates for the focus?

• (1,4)

• (-1,6)

• (-1,2)

• (-3,4)

(x+3)² = 4(y+5)
What is the equation of the directrix?

• x = 4

• x = 2

• y = -4

• y = -6

The focus is at (2,0) and the vertex is at (-4,0).  What is the equation of the parabola?

• y² = 24(x+4)

• (y+4)² = -12x

• x² = 16(y+4)

• (x+4)²  = -20y

Find the vertex, focus, and directrix of the parabola: -(1/40)x² = y

• Vertex: (0, 0) Focus: (-20,0) Directrix: x = 10

• Vertex: (0, 0) Focus: (0,10) Directrix: y=10

• Vertex: (0, 0) Focus: (0,10) Directrix: y=-10

• Vertex: (0, 0) Focus: (0, -10) Directrix: y = 10

Find the vertex, focus, and directrix of the parabola: x² = 28y

• Vertex: (0, 0) Focus: (0,7) Directrix: y=-7

• Vertex: (0, 0) Focus: (7,0) Directrix: y=7

• Vertex: (0, 0) Focus: (0,-7) Directrix: x=-7

• Vertex: (0, 0) Focus: (7, 0) Directrix: x=7

Find the vertex if the focus is at (-4,-3) and the directrix is at x=2

• (-1,-3)

• (-4,0)

• (-10,-3)

• (0,0)

Find the vertex, focus, and directrix of the parabola.
 y^2 = 16x

•  vertex: (0, 0) focus: (4, 0) directrix: x = - 4

• vertex: (0, 0) focus: (0, 4) directrix: y = - 4

• vertex: (0, 0) focus: (0, 4) directrix: y = -4

• vertex: (0, 0) focus: (-4, 0) directrix: x = 4

Find the vertex if the focus is at (9,0) and the directrix is at x=-9

• (-9,0)

• (0,9)

• (0,0)

• (0,-9)

If the directrix is y = 4 and the focus is at

(3, 0), coordinate of the vertex is:

• (3, 0)

• (3, 2)

• (3.5, 0)

• (0, 3.5)

The vertex is halfway between the focus and directrix.

• true

• false