Find a general term an for the geometric sequence.3, 9, 27, 81, 243, ...
A. an= 3 + 6(n - 1)
B. an = 3n
C. an = 3n-1 + 2
D. an = 6n
Answer: B
Mathematics
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A. 18 B. 13 C. 17 D. 12
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Convert the improper fraction into a mixed number.
A. 7
B. 5
C. 6
D. 6
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Factor completely.x3 + 2x + x2 + 2
A. (x2 + 2)(x + 1) B. (x2 + 1)(2x + 1) C. (2x + 1)(x + 1) D. (x2 + 1)(x + 2)
Mathematics
Factor the sum or difference of two cubes.512y3 - 1
A. (8y - 1)(64y2 + 1) B. (8y + 1)(64y2 - 8y + 1) C. (8y - 1)(64y2 + 8y + 1) D. (512y - 1)(y2 + 8y + 1)
Mathematics