Find the vertex, focus, directrix, and focal width of the parabola.- 
x2 = y
A. Vertex: (0, 0); Focus: (0, -10); Directrix: y = 10; Focal width: 40
B. Vertex: (0, 0); Focus: (-20, 0); Directrix: x = 10; Focal width: 160
C. Vertex: (0, 0); Focus: (0, 10); Directrix: y = -10; Focal width: 10
D. Vertex: (0, 0); Focus: (0, -10); Directrix: y = 10; Focal width: 160
Answer: A
Mathematics
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