Geometric sequence and series, assignment help
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, …
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, …
2, 1
1, 0
2, ½
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, 12.5…
|
A. an = 200 • 4n – 1 |
| B. an = 200 • (-4)n – 1 |
| C. an = 200 • (-1/4)n – 1 |
| D. an = 200 • (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
==========
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 John’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 |
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