Review Arithmetic

What is the common difference?
5, 9, 13, ...

• 9
• 5
• 4
• not arithmetic

Tags

CCSS.HSF.BF.A.2

What is the common difference?
15, 9, 3, ...

• 6
• not arithmetic
• (-6)
• 15

Tags

CCSS.HSF.BF.A.2

What is the common difference?
5, 9, 12, ...
(Hint:  Write your formula and then simplify it.)

• 3
• 4
• not arithmetic
• 5

Tags

CCSS.HSF.BF.A.2

Given the sequence:
 -25, -20, -15, -10,...
What is the common difference?

• not arithmetic
• -5
• 5
• -25

Tags

CCSS.HSF.BF.A.2

Tags

CCSS.HSF.BF.A.2

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

a₁ = ​ (a)   , d = ​ (b)  

• -5
• 3
• -3
• -8
• 7

Tags

CCSS.HSF.BF.A.2

Write the recursive rule for the arithmetic sequence
82, 76, 70, 64, ...

• a₁ = 82

  a_n = a_{(n - 1)} – 6

• a₁ = 88

  a_n = a_{(n - 1)} – 6

• a₁ = 82

  a_n = a_{(n - 1)} + 6

• a₁ = 88

  a_n = a_{(n - 1)} + 6

Tags

CCSS.HSF.BF.A.2

Write the recursive rule for the arithmetic sequence
-49, -35, -21, -7, ...

• a₁ = -49

  a_n = a_{(n - 1)} – 14

• a₁ = -63

  a_n = a_{(n - 1)} + 14

• a₁ = -49

  a_n = a_{(n - 1)} + 14

• a₁ = -63

  a_n = a_{(n - 1)} – 14

Tags

CCSS.HSF.BF.A.2

Find a₇.

15, 20, 25, 30, 35, ...

• 25

• 35

• 40

• 45

Tags

CCSS.HSF.BF.A.2

This is an arithmetic sequence. How many dots would be in the next figure?

• 4

• 13

• 14

• 15

Tags

CCSS.HSF.BF.A.2