Factor by grouping, if possible.4x3 - 16x2 - 5x + 20

A. (x - 4)(4x2 - 5)
B. (x + 5)(4x2 + 4)
C. (x + 4)(4x2 + 5)
D. (x - 5)(4x2 - 4)


Answer: A

Mathematics

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A. 0.848 B. 0.0958 C. 9.58 D. 0.958

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Determine the prime power representation of the number.66

A. 6 ? 11 B. 22 ? 11 C. 32 ? 2 D. 2 ? 3 ? 11

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Solve the problem.Consider a fair division problem involving five players. The phrase "a player receives a fair share" describes the fact that

A. the player receives a share that, in that player's own opinion, has a value that is exactly equal to 20% of the total. B. the player receives a share that, in every player's opinion, has a value that is equal to 20% or more of the total. C. the player receives a share that is at least as valuable as that of any other player. D. the player receives a share that, in that player's own opinion, has a value that is equal to 20% or more of the total. E. none of these

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Solve by the quadratic formula. If there are no real roots, say so.x2 = 9 - 4x

A. -1 ± 
B. 2 + 
C. -2 ± 2
D. -2 ± 

Mathematics