Find the equation in standard form of the parabola described.Find the equations of the two parabolas in standard form that have a vertical axis of symmetry and a focus at the point (0, 10), and that pass through the origin.
A. x2 = 20y and x2 = -20y
B. y2 = 40x and y2 = -40x
C. x2 = 40y and x2 = -40y
D. y2 = 20x and y2 = -20x
Answer: C
Mathematics
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