# Geometric-sequence-and-series-assignment-help-

Accurately answer all questions. Double check all work.

ind the next two terms in the geometric sequence shown below.

5, 15, 45, â€¦

75, 105

135, 405

55, 65

675, 30375

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Find the next two terms in the geometric sequence shown below.

16, 8, 4, â€¦

2, 1

1, 0

2, Â½

0,-4

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Find three geometric means between 9 and 144.

42.75, 76.5, 110.25

2304, 36864, 589824

18, 36, 72

27, 81, 243

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Write an equation for the nth term in the sequence.

200, 50, 12.5â€¦

 A. an = 200 â€¢ 4n – 1 B. an = 200 â€¢ (-4)n – 1 C. an = 200 â€¢ (-1/4)n – 1 D. an = 200 â€¢ (1/4)n – 1

A

B

C

D

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Find the 15th term in the geometric sequence shown below.

1, 3, 9,…

4782969

14348907

43

1594323

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Find the sum for the geometric series shown below.

198.4375

96.875

196.875

396.875

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Find the sum for the geometric series shown below.

126

124

252

254

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If S6 = 189 and r = 2, what is a1?

9

6

3

3/2

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If S8 = 1530 and r = 2, what is a1?

3

6

9

12

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A portion of Johnâ€™s parental family tree is shown below. Find a rule for the number of people in the nth generation.

 A. An = 2(2)n – 1 B. An = 1(2)n – 1 C. An = 2(2)n D. An = 1(2)n