Arithmetic Sequences

Identify the common difference. 
10, 20, 30, 40, ...

• 5
• 10
• 15
• 20

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic?

17, 9, 1, -7, ...

• Yes

• No

Tags

CCSS.HSF.BF.A.2

Identify the next two terms of the sequence:

4,7,10,13,...

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

Tags

CCSS.HSF.BF.A.2

Which sequence is NOT an arithmetic sequence?

• -7, -13, -19, -25,...

• -10, -6, -2, 2,..

• 6, 8, 10, 12,...

• 3, 15, 75, 375,...

Tags

CCSS.HSF.BF.A.2

Find a₂₀ in the arithmetic sequence: (Hint: Find explicit formula first)

5, 12, 19, 26...

• 145

• 144

• 142

• 138

Tags

CCSS.HSF.BF.A.2

Select the explicit rule that represents the sequence.

• 6 + 5(n - 1)
• 4 + 6(n - 1)
• 6 - 4(n - 1)

Tags

CCSS.HSF.BF.A.2

Select the explicit rule that represents the sequence.

• 14(-3)(n - 1)
• 3 + (n - 1)(14)
• 14 + (n - 1)(-3)
• -3 + (n - 1)(14)

Tags

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

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for the arithmetic sequence
12, 10, 8, 6, ...

• a_n = 12n - 14
• a_n = 2n - 14
• a_n = -2n + 14
• a_n = -12n + 14

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for the arithmetic sequence
9, 13, 17, 21, ...

• a_n = -4n + 5
• a_n = -9n + 14
• a_n = 9n - 5
• a_n = 4n + 5

Tags

CCSS.HSF.BF.A.2