1. Find the vertex, focus, directrix, and focal width of the parabola.

x2 = 20y

A. Vertex: (0, 0); Focus: (0, 5); Directrix: y = -5; Focal width: 20

B. Vertex: (0, 0); Focus: (5, 0); Directrix: x = 5; Focal width: 5

C. Vertex: (0, 0); Focus: (5, 0); Directrix: y = 5; Focal width: 80

D. Vertex: (0, 0); Focus: (0, -5); Directrix: x = -5; Focal width: 80

2. Find the standard form of the equation of the parabola with a focus at (0, 2) and a directrix at y = -2.

A. y2 = 2x

B. y = one divided by twox2

C. y2 = 8x

D. y = one divided by eightx2

3. Find the vertex, focus, directrix, and focal width of the parabola.

x = 3y2

A. Vertex: (0, 0); Focus: one divided by twelve comma zero; Directrix: x = one divided by twelve; Focal width: 12

B. Vertex: (0, 0); Focus: the point one twelfth comma zero; Directrix: x = negative one twelfth; Focal width: 0.33

C. Vertex: (0, 0); Focus: zero comma one divided by sixteen; Directrix: x = negative one divided by sixteen; Focal width: 0.33

D. Vertex: (0, 0); Focus: one divided by sixteen comma zero; Directrix: y = negative one divided by sixteen; Focal width: 12

4. Find the standard form of the equation of the parabola with a focus at (3, 0) and a directrix at x = -3.

A. y = one divided by twelvex2

B. -12y = x2

C. x = one divided by twelvey2

D. y2 = 6x

5. Find the standard form of the equation of the parabola with a vertex at the origin and a focus at (0, -7).

A.y = negative one divided by sevenx2

B. y2 = -7x

C. y = negative one divided by twenty eightx2

D. y2 = -28x