Arithmetic Sequences Review

Find the common difference of the arithmetic sequence -19, -14, -9, ...

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CCSS.HSF.BF.A.2

Find the common difference of the arithmetic sequence 1, -2, -5, ...

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CCSS.HSF.BF.A.2

3, 5, 7, ... is an arithmetic sequence

• True

• False

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CCSS.HSF.BF.A.2

3, 15, 75, ... is an arithmetic sequence

• True

• False

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CCSS.HSF.BF.A.2

Which is a *recursive rule* for the nth term in the sequence 15, 8, 1, ...?

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CCSS.HSF.BF.A.2

What is the 100th term in the sequence a_n = 4n-12

• 388

• 40012

• -388

• 100

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CCSS.HSF.BF.A.2

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

An arithmetic sequence is given below.

2, 9, 16, 23, ...

Which is the explicit formula for the n^th term a_n?

• a_n = -7n+9

• a_n = 7n-5

• a_n = 7n-9

• a_n = -7n+5

Tags

CCSS.HSF.BF.A.2

Find the common difference: 29, 21, 13, 5, ...

• d = -10
• d = -9
• d = -8
• d = -7

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CCSS.HSF.BF.A.2

Find a₂₀ in the arithmetic sequence: 5, 12, 19, 26...

• 145
• 144
• 142
• 138

Tags

CCSS.HSF.BF.A.2