Find the vertex, focus, and directrix of the parabola with the given equation.(y - 4)2 = -16(x - 1)
A. vertex: (-1, -4)
focus: (-5, -4)
directrix: x = 3
B. vertex: (4, 1)
focus: (0, 1)
directrix: x = 8
C. vertex: (1, 4)
focus: (5, 4)
directrix: x = -3
D. vertex: (1, 4)
focus: (-3, 4)
directrix: x = 5
Answer: D
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A. Domain: (-?, ?) Range: [-7, ?) B. Domain: (-?, ?) Range: (-?, -1] C. Domain: (-?, ?) Range: [-1, ?) D. Domain: [-1, ?) Range: [-7, ?)
Write the number in trigonometric form. Let 0° ? ? < 360°.-
- i
A. 
(cos 315° + i sin 315°)
B. 
(cos 135° + i sin 135°)
C. 
(cos 225° + i sin 225°)
D. 
(cos 45° + i sin 45°)
Find decimal notation.70%
A. 0.07 B. 0.7 C. 7 D. 0.59
Find the vertex, focus, and directrix of the parabola with the given equation.(y + 1)2 = 16(x + 3)
A. vertex: (-3, -1) focus: (-7, -1) directrix: x = 1 B. vertex: (3, 1) focus: (7, 1) directrix: x = -1 C. vertex: (-3, -1) focus: (1, -1) directrix: x = -7 D. vertex: (-1, -3) focus: (3, -3) directrix: x = -5