Find the vertices and the foci of the given ellipse.49x2 + 81y2 = 3969
A. V: (-81, 0), (81, 0);
F: (-9, 0), (9, 0)
B. V: (0, -9), (0, 9)
F: (0, - 4
), (0, 4
)
C. V: (0, -49), (0, 49)
F: (0, -7), (0, 7)
D. V: (-9, 0), (9, 0);
F: (- 4
, 0), (4
, 0)
Answer: D
Mathematics
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Solve the equation.
- 8 = 
+ 2
A. x = 15
B. x = 45
C. x = 
D. x = - 27
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Solve.Find 293 divided by 9.
A. 37 B. 32 R 8 C. 32 D. 32 R 5
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Solve.x5 + 40 > 5x3 + 8x2
A. (-5, ?)
B. (-
, 
)
C. (-
, 2) ? (
, ?)
D. (-?, -
) ? (2, 
)
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For the given arithmetic series, what is Sn?a1 = 26, d = 5, and n = 31
A. 3131 B. 12,524 C. 6262 D. 3157
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