Find a general term an for the geometric sequence.a1 = - , r = -8

A. an = -  - (n - 1)
B. an = -  + (n - 1)
C. an = n-1 + 
D. an = -  ? (-8)n-1

Answer: D

Mathematics

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If B is the midpoint of AN and E is the midpoint of NR, then

(a) BE = 1/2 (AR). (b) BE:AR = NE:ER. (c) BN:BE = EN:EB. (d) AN = 1/2 (NB). (e) Both (a) and (d) are correct.

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Solve the problem.There are 9 members on a board of directors. If they must select a subcommittee of 6 members, how many different subcommittees are possible?

A. 84 B. 720 C. 60,480 D. 531,441

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Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x2 - 16)2

A. 4, multiplicity 2 ; -4, multiplicity 2 B. - 16, multiplicity 2 C. 4, multiplicity 6 ; -4, multiplicity 6 D. 4, multiplicity 2

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Find projwv.v = 3i + 2j;  w = -3i + j

A. - (-3i + j)
B. - (-3i + j)
C. (-3i + j)
D. (-3i + j)

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Mathematics