Find the vertices and the foci of the given ellipse.81x2 + 36y2 = 2916
A. V: (0, 81), (36, 0)
F: (0, 9), (6, 0)
B. V: (0, -9), (0, 9);
F: (0, - 3
), (0, 3
)
C. V: (-9, 0), (9, 0);
F: (- 3
, 0), (3
, 0)
D. V: (0, -81), (0, 81);
F: (0, -9), (0, 9)
Answer: B
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Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Find the vertices and graph the hyperbola.x2 - 16y2 = 64
A. (-2, 0), (2, 0)
B. (0, -8), (0, 8)
C. (-8, 0), (8, 0)
D. (-2, 0), (2, 0)
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.x = -yy + x = 6
A. (1, 1) B. Infinite number of solutions C. No solution D. (1, 5)
Evaluate or determine that the limit does not exist for each of the limits 
and 
for the given function f and number d.f(x) = 
; d = 2
A. (a) 8 (b) Does not exist (c) 8 B. (a) Does not exist (b) 8 (c) Does not exist C. (a) Does not exist (b) 8 (c) 8 D. (a) 8 (b) Does not exist (c) Does not exist