Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 12(x + 4)
A. vertex: (-4, -1)
focus: (-7, -1)
directrix: x = -1
B. vertex: (4, 1)
focus: (7, 1)
directrix: x = 1
C. vertex: (-1, -4)
focus: (2, -4)
directrix: x = -4
D. vertex: (-4, -1)
focus: (-1, -1)
directrix: x = -7
Answer: D
Mathematics
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Find y ".y = 
tan(9x - 5)
A. 
sec2(9x - 5) tan(9x - 5)
B. 
sec(9x - 5)
C. 
sec2(9x - 5) tan(9x - 5)
D. 
sec2(9x - 5)
Mathematics
Factor completely.25m2 - 
A. Prime
B. 
2
C. 
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Mathematics