Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (-2, 2)
foci at (-2 + 
, 2), (-2 - 
, 2)
vertices at (-4, -2), (8, -2)
B. center at (2, -2)
foci at (- 
, -2), (
, -2)
vertices at (6, -2), (-6, -2)
C. center at (2, -2)
foci at (2 + 
, 2), (2 - 
, 2)
vertices at (6, -2), (-6, -2)
D. center at (2, -2)
foci at (2 + 
, -2), (2 - 
, -2)
vertices at (-4, -2), (8, -2)
Answer: D
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Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (±15, 0); Foci: (±9, 0) B. Vertices: (±15, 0); Foci: (±12, 0) C. Vertices: (0, ±15); Foci: (0, ±12) D. Vertices: (0, ±15); Foci: (0, ±9)
Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(A ? B)
A. 12 B. 2 C. 3 D. 8
Name the quadrant in which the angle ? lies.cos ? < 0, csc ? < 0
A. I B. II C. III D. IV
Factor, using the given factor. Assume all variables represent positive real numbers.12y4(2y + 1)-2/5 + 16y3(2y + 1)3/5 - 32y2(2y + 1)8/5; 4y2(2y + 1)-2/5
A. 4y2(2y + 1)-2/5(21y2 - 28y + 8) B. 4y2(2y + 1)-2/5(-21y2 - 28y - 8) C. 4y2(2y + 1)-2/5(19y2 - 28y + 8) D. 4y2(2y + 1)-2/5(-19y2 - 28y - 8)