Write an equation for the parabola.vertex: (-4, 1), directrix: x = -9
A. (x + 4)2 = -20(x - 1)
B. (y - 1)2 = 20(x + 4)
C. (x - 1)2 = 20(y + 4)
D. (y - 1)2 = -20(x + 4)
Answer: B
Mathematics
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Graph.x - 4 = 0
A. 
B. 
C. 
D. 
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A. 
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C. 
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