Find an equation for the conic. If the conic is a parabola, assume that the vertex is at the origin. If the conic is an ellipse or hyperbola, assume that it is centered at the origin.Focus at (4, 0) and e = 1
A. 4x = y2
B. 4y = x2
C. 16y = x2
D. 16x = y2
Answer: D
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