Perform the indicated operations.
2
A. x2 - 6xy2 + 9y4
B. x2 + 6xy2 + 9y4
C. x2 - 6xy + 9y2
D. x2 + 9y4
Answer: A
Mathematics
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Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
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Multiply using the galley method.23 × 97
A. 2241 B. 2221 C. 2231 D. 2331
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A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.2x2 = y + 5y = -12x + 13
A. Two
B. Two
C. One
D. One
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Find fx(x, y).f(x, y) = e-5x - 2y
A. fx(x, y) = -5e-5x B. fx(x, y) = -5e-5x - 2y C. fx(x, y) = e-5x - 2 D. fx(x, y) = -2e-5x - 2y
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