Find an equation of a parabola that satisfies the given conditions.Focus (-1, -4), directrix x = -9
A. (x + 4)2 = 16(y + 5)
B. (y + 4)2 = 16(x + 1)
C. (x + 1)2 = 16(y + 4)
D. (y + 4)2 = 16(x + 5)
Answer: D
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What will be an ideal response?
Find the infinite sum accurate to three decimal places.
A. 0.143 B. 0.800 C. -0.571 D. 0.200
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