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Arithmetic Sequences Answers

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1
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Which of the following is true regarding the sequence graphed below?

Question illustration
A
The sequence is arithmetic because the terms have a common difference.
B
The sequence is arithmetic because the terms do not have a common difference.
C
The sequence is not arithmetic because the terms have a common difference.
D
The sequence is not arithmetic because the terms do not have a common difference.
2
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Which of the following is an arithmetic sequence?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
3

Which of the following is true about the sequence graphed below?

Question illustration
A
The sequence is arithmetic because the terms have a common difference.
B
The sequence is arithmetic because the terms do not have a common difference.
C
The sequence is not arithmetic because the terms have a common difference.
D
The sequence is not arithmetic because the terms do not have a common difference.
4

What is the common difference of the arithmetic sequence graphed below?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
5

Which is true regarding the sequence below?

Question illustration
A
The sequence is arithmetic because the common difference is .
Option A
B
The sequence is arithmetic because the common difference is .
Option B
C
The sequence is not arithmetic because there is no common difference. The differences are .
Option C
D
The sequence is not arithmetic because there is no common difference. The differences are .
Option D
6

Which of the following is an arithmetic sequence?

A
–20, –25, –30, –35, –45, ...
B
–15.6, –12.9, –10.2, –7.5, –4.8, ...
C
3.1, 6.2, 12.4, 24.8, 49.6, ...
D
7.2, 3.6, 1.8, 0.9, 0.45, ...
7

What is the explicit rule for the arithmetic sequence shown in the graph?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
8

What is the explicit formula for the arithmetic sequence in the table below?n12345an9.27.45.63.82

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

What is the next term in the sequence 58, 47, 36, 25, ...?

A
–58
B
–8
C
14
D
69
10

What is the common difference in the following arithmetic sequence? 7, 3, –1, –5, ....

A
–3
B
–4
C
4
D
12

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