AnswersCR - Algebra 2 26-27 - S1Arithmetic Sequences

Arithmetic Sequences Answers

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

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

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–58
B
–8
C
14
D
69
4

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

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–11
B
–1
C
1
D
11
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The explicit rule for an arithmetic sequence is . What is the value of the 89th term?

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Which is true regarding the sequence below?

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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
7

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

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

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

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Option A
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9

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

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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.
10

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.

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