AnswersDHS Algebra 2 VGeometric Series

Arithmetic Sequences Answers

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

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

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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.
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What is the common difference in the following arithmetic sequence? nan1–122–1310421

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–11
B
–1
C
1
D
11
4

The relationship between men’s whole-number shoe sizes and foot lengths is an arithmetic sequence, where an is the foot length in inches that corresponds to a shoe size of n. A men’s size 9 fits a foot 10.31 inches long, and a men’s size 13 fits a foot 11.71 inches long. What is the explicit formula for the arithmetic sequence? Round to the nearest hundredth, if necessary.

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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, ...
6

Which is true regarding the sequence below?

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The sequence is arithmetic because the common difference is .
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B
The sequence is arithmetic because the common difference is .
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C
The sequence is not arithmetic because there is no common difference. The differences are .
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D
The sequence is not arithmetic because there is no common difference. The differences are .
Option D
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What is the common difference of the arithmetic sequence graphed below?

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

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–3
B
–4
C
4
D
12
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What is the explicit formula for the arithmetic sequence in the table below?n12345an9.27.45.63.82

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

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