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10 questions
Is this sequence Arithmetic, Geometric, or Neither?
2, 9, 7, 14, 12, 19, ...
Arithmetic
Geometric
Neither
Which sequence is an arithmetic sequence?
3, 6, 2, 7, ...
3, 6, 12, 24, ...
3, 6, 10, 15, ...
3, 7, 11, 15, ...
Which sequence is a geometric sequence with a common ratio of 2?
5, 3, 1, -1, ...
5, 7, 9, 11, ...
5, 10, 20, 40, ...
5, 15, 45, 135, ...
5
-5
-6
1/5
-1
-2
1
2
25
20
5
4
What is the common ratio in this sequence?
96, 48, 24, 12, ...
1/2
2
12
24
The first term in an arithmetic sequence is -8 and the common difference is 14. What is the 28th term given the equation an = a1 + d (n - 1)
378
1024
-324
370
The first term in a geometric sequence is 160 and the common ratio is 1/2. What is the 7th term given the equation an = a1 (r)n-1
5
2.5
10
1.25
The graph of an arithmetic sequence is (a) and the graph of a geometric sequence is (b) .
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