Find the foci of the ellipse.64x2 + y2 - 1152x + 5120 = 0
A. (8, 4
), (8, -4
)
B. (9 + 3
, 0), (9 -3
, 0)
C. (9, 8), (9, -8)
D. (9, 3
), (9, -3
)
Answer: D
Mathematics
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Find a Cartesian equation for the line whose polar equation is given.r cos
= 5
A. y = x - 5
B. y = x + 10
C. y = 
x - 10
D. y = x + 5
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 8 at 
minimum: 0 at 
B. Maximum: 8 at 
minimum: 0 at 
C. Maximum: 8 at 
minimum: -8 at 
D. Maximum: 8 at 
minimum: -8 at 
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006
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Divide.3.2 ÷ 8
A. 0.4 B. 14 C. 4 D. 1.4
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