Multiply. Simplify by combining like terms.(11x - y)2
A. 121x2 + y2
B. 121x2 - 11xy + y2
C. 121x2 - 22xy - 2y2
D. 121x2 - 22xy + y2
Answer: D
Mathematics
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Write the fractions that represent the shaded and unshaded portions of the given figure.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.sec ? = - 
A. 45° and 225° B. 135° and 225° C. 45° and 315° D. 225° and 315°
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Find any relative extrema.f(x, y) = x3 + y3 - 9xy
A. No relative extrema B. f(1, 1) = -7, relative minimum C. f(3, 3) = -27, relative minimum D. f(2, 2) = -20, relative minimum
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