Factor.20x3 + 31x2 + 12x
A. x(4x - 3)(5x - 4)
B. x(4x + 3)(5x + 4)
C. x(20x + 1)(x + 12)
D. (20x2 + 3)(x + 4)
Answer: B
Mathematics
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A.
B.
C.
D.
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Find the focus and directrix of the parabola with the given equation.x = 3y2
A. focus:
directrix: x = -
B. focus:
directrix: x =
C. focus:
directrix: x = -
D. focus:
directrix: y = -
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Perform the matrix operation.Given A = and I =
, find AI.
A.
B.
C.
D.
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Evaluate the expression without using a calculator, and write your answer in radians.
?
?
A. 0
B.
C.
D.
E.
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