Sequences and Series

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CCSS.HSF.BF.A.2

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CCSS.HSF.BF.A.2

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CCSS.HSF.IF.A.3

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

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CCSS.HSF.BF.A.2

Find the first term of the given sequence:
a₁₄=68
d=3

• 14
• 20
• 26
• 29

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CCSS.HSF.BF.A.2

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither

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CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 10(2)^n-1
• a_n = 2(10)^n-1
• a_n = 10(2)ⁿ
• a_n = 2(10)ⁿ

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CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 7(1)ⁿ
• a_n = 7(-1)ⁿ
• a_n = 7(-1)^n-1
• a_n = -1(7)^n-1

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CCSS.HSF.BF.A.2

Use the following rule to find the first 5 terms of the sequence
a₁ = 4
a_n = a_n-1 + 3

• 4, 7, 10, 13, 16
• 4, 12, 36, 108, 324
• 1, -2, -5, -8, -11
• 4, 10, 26, 29, 35

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CCSS.HSF.BF.A.2

Find the first 3 terms of the sequence
a₁ = 2
a_n =  3(a_n-1)

• 2, 6, 18, 54, 162
• 2, 5, 8, 11, 14
• 6, 9, 12, 15, 18
• 2, 4, 6, 8, 10

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CCSS.HSF.BF.A.2