Identifying Pattern of Arithmetic and Geometric Sequence

Find the common difference:  a₂ = 6 and a₆ = -14

• -1

• -5

• -2

• 2

Tags

CCSS.HSF.BF.A.2

What is the common difference?

• .5

• 2.5

• 3

• 5.5

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CCSS.HSF.BF.A.2

What is the following sequence

15, 30, 45, 60, 75,...

• +15 arithmetic

• x2 geometric

• x2 arithmetic

• +15 geometric

Tags

CCSS.HSF.BF.A.2

Determine if the sequence is arithmetic or not.

-16, 4, 25, 44, ...

• Yes

• No

Tags

CCSS.HSF.BF.A.2

Write the explicit equation for the geometric sequence: 5, 15, 45, 135, . . . ?

Tags

CCSS.HSF.BF.A.2

How would you describe this pattern's rule?
23, 29, 35, 41

• Subtract 6

• Add 6

• Subtract 5

• Add 4

Tags

CCSS.3.OA.D.9

Which of the following equations is the rule for this sequence: 6, 11, 16, 21, . . .

• a_n = 6 + 5(n - 1)

• a_n = 4 + 6(n - 1)

• a_n = 6 - 4(n - 1)

Tags

CCSS.HSF.BF.A.2

Find the explicit formula for the sequence: 64, -32, 16, -8, …

• 64(1/2)^n-1

• (-32)^n-1

• 64(-1/2)^n-1

• (32)^n-1

Tags

CCSS.HSF.BF.A.2

Given the recursive formula for a geometric sequence, find the first five terms and the explicit formula.

• 2 , 10 , 50 , 250 , 1250

• 2 , 7 , 12 , 17 , 22

• 1 , 2, 10, 50, 250

• 
• 

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for the sequence 1.5, 2.0, 2.5, 3.0, ...

Tags

CCSS.HSF.BF.A.2