Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 1
B. 0
C. 8
D. Diverges
Answer: D
Mathematics
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Factor the trinomial completely.-p2 + 13p - 40
A. -(p + 5)(p + 8) B. -(p - 5)(p - 8) C. -(p - 5)(p + 8) D. Prime
Mathematics
Find the vertex.f(x) = -2x2 - 20x - 52
A. (-2, -5) B. (-5, -2) C. (2, 5) D. (5, 2)
Mathematics
Solve the system by the elimination method.-3x + 3y = 5-6x + 6y = -10
A. {(-15, 15)} B. {(15, -15)} C. {(x, y)|-3x + 3y = 5} D. ?
Mathematics
Solve the equation by completing the square.(x + 1)(x - 4) = 6
A. {5 ± 
}
B. {-2 ± 
}
C. {-5, 2}
D. {-2, 5}
Mathematics