Finding the Nth Term Arithmetic Sequence

The first term of a sequence is 25 and the 16th term is 130. What is the common difference?

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CCSS.HSF.BF.A.2

Which of the following is the correct formula in finding the nth term of an arithmetic sequence?

• a_n = a₁ + (n - 1)d

• a_n = a₁ + (n + 1)d

• a_n = a₁ - (n - 1)d

• a_n = a₁ +- (n + 1)d

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CCSS.HSF.BF.A.2

If the sequence 4, 8, 12, 16 continues, what will be the 7^th term?

• 24

• 28

• 32

• 36

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CCSS.HSF.BF.A.2

Find the 10^th term in the sequence that starts with 1 and has a common difference of 3.

• 28

• 25

• 24

• 26

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CCSS.HSF.BF.A.2

If the sequence 6, 11, 16, 21 continues, what will be the 9^th term?

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CCSS.HSF.BF.A.2

Which of the following is an example of an arithmetic sequence?

• 4, 8, 16, 32, 64

• 1, 2, 4, 7, 11

• 15, 13, 11, 9, 7

• 3, 6, 12, 24, 48

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CCSS.HSF.BF.A.2

In the sequence 9, 18, 27, 36 and so on, what is the common difference?

• 5

• 7

• 9

• 11

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CCSS.HSF.BF.A.2

Determine the next term in the sequence 20, 8, -4, ...

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CCSS.HSF.BF.A.2

What is the common difference in the sequence 6b, 9b, 12b, 15b?

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CCSS.HSF.BF.A.2

The difference between two terms in an arithmetic sequence is called ___________________.

• Formula

• Common Ratio

• Common Difference

• Common Factor

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CCSS.HSF.BF.A.2