Arithmetic and Geometric Sequences (Exp/Rec)

Identify the type of sequence shown.

2, 8, 32, 128, ...

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

Identify the type of sequence shown.

10, 6, 3, 1, ...

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

What will the next term of the following sequence be?

28, 20, 12, 4, ...

• -4

• 0

• 2

• cannot be determined

Tags

CCSS.HSF.BF.A.2

Identify the next three terms.

512, 256, 128, ...

• 1024, 2048, 4096

• 0, -128, -256

• 32, 8, 2

• 64, 32, 16

Tags

CCSS.HSF.BF.A.2

Which of the following explicit formulas represents the following sequence?

9, 7, 5, 3, ...

• a_n = 2n + 7

• a_n = -2n + 9

• a_n = -2n + 11

• a_n = 9n - 2

Tags

CCSS.HSF.BF.A.2

Identify the correct explicit formula for the following geometric sequence.

9, 45, 225, ...

• a_n = 5(9)^n-1

• a_n = 9(5)^n-1

• a_n = 9(5)ⁿ

• a_n = 5n + 9

Tags

CCSS.HSF.BF.A.2

Find the 9th term of the geometric sequence below.

4, 8, 16, 32, ...

• 384

• 768

• 512

• 1,024

Tags

CCSS.HSF.BF.A.2

Which recursive formula represents the sequence below?

5, 12, 19, 26, ...

• a₁ = 5

  a_n = a_n-1 + 7

• a₁ = 5

  a_n = a_n-1 - 7

• a₁ = 5

  a_n = 7a_n-1

• a₁ = -2

  a_n = a_n-1 + 7

Tags

CCSS.HSF.IF.A.3

• 20, 20.5, 21, 21.5

• 20, 40, 80, 160

• 20, 10, 5, 2.5

• 10, 5, 2.5, 1.25

Tags

CCSS.HSF.BF.A.2

Write a recursive formula for the sequence below.

3, 18, 108, 648, ...

• a₁ = 3

  a_n = a_n-1 + 6

• a₁ = 3

  a_n = 6 · a_n-1

• a_n = 6 · a_n-1

Tags

CCSS.HSF.BF.A.2