Arithmetic Sequences Answers
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1
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What is the explicit rule for the arithmetic sequence shown in the graph?
A
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B
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C
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D
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2
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Which of the following is true about the sequence graphed below?
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.
5
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?
A
The sequence is arithmetic because the common difference is .
B
The sequence is arithmetic because the common difference is .
C
The sequence is not arithmetic because there is no common difference. The differences are .
D
The sequence is not arithmetic because there is no common difference. The differences are .
7
What is the common difference of the arithmetic sequence graphed below?
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9
What is the explicit formula for the arithmetic sequence in the table below?n12345an9.27.45.63.82
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10
What is the common difference of the arithmetic sequence graphed below?
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