Find an equation of the parabola described and state the two points that define the latus rectum.Focus at (0, 4); directrix the line y = -4
A. y2 = 4x; latus rectum: (9, 2) and (-9, 2)
B. x2 = 4y; latus rectum: (2, 4) and (-2, 4)
C. x2 = 16y; latus rectum: (4, 8) and (-4, 8)
D. x2 = 16y; latus rectum: (8, 4) and (-8, 4)
Answer: D
Mathematics
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