2.2 Explicit Formula

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

Given the sequence:

25, 21, 17, 13,...

Write the explicit formula.

• a_n = 4n + 29

• a_n = -4n + 25

• a_n = -4n + 29

• a_n = 4n + 25

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CCSS.HSF.BF.A.2

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

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CCSS.HSF.BF.A.2

Write the EXPLICIT formula for the arithmetic sequence

9, 13, 17, 21, ...

• a_n = -4n + 5

• a_n = -9n + 14

• a_n = 9n - 5

• a_n = 4n + 5

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CCSS.HSF.BF.A.2

Write the EXPLICIT formula for the arithmetic sequence

12, 10, 8, 6, ...

• a_n = 12n - 14

• a_n = 2n - 14

• a_n = -2n + 14

• a_n = -12n + 14

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CCSS.HSF.BF.A.2

Identify a₁ and d for the sequence
-5, -2, 1, 4, ...

• a₁ = 3 and d = -5
• a₁ = -8 and d = 3
• a₁ = -5 and d = 3
• a₁ = -5 and d = -3

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CCSS.HSF.BF.A.2

Find the first 4 terms of the sequence.

a_n = -4n - 1

• -3, -7, -11, -15

• -4, -5, -6, -7

• -5, -9, -13, -17

Tags

CCSS.HSF.BF.A.2

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

Tags

CCSS.HSF.BF.A.2

IS -10 a term in the sequence $a_n=-2n+8$ ? 

• Yes

• No 

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CCSS.HSF.BF.A.2

Is 5 a term in the sequence $a_n=2n-8$  ?

• Yes

• No

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CCSS.HSF.BF.A.2