Find the vertex, focus, and directrix of the parabola with the given equation.(x + 1)2 = 20(y + 3)
A. vertex: (-1, -3)
focus: (-1, -8)
directrix: x = 2
B. vertex: (-3, -1)
focus: (-3, 4)
directrix: y = -6
C. vertex: (1, 3)
focus: (1, 8)
directrix: y = -2
D. vertex: (-1, -3)
focus: (-1, 2)
directrix: y = -8
Answer: D
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A. 10 B. 100 C. 32 D. 25
Perform the indicated operation.(9x9 + 8x6 - 2x3 + 11) - (4x9 - 8x4 + 11x3 - 2)
A. 5x9 + 8x6 + 8x4 - 13x3 + 13 B. -5x9 + 8x6 + 8x4 - 13x3 + 13 C. -5x9 + 8x6 - 8x4 - 13x3 + 13 D. 5x9 + 8x6 - 8x4 - 13x3 + 13
Insert <, >, or = to make the statement true.-|-6| 
-|-25|
A. < B. = C. >
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A. Independent B. Inconsistent C. Dependent