Unit 2 : Sequences

What type of sequence is this: 37, 31, 25, 19, ...

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

What type of sequence is this: 2, 4, 12, 48,...

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

Describe the sequence: 5, 15, 45, 135, ....

• Geometric sequence with r = 3

• Geometric sequence with r = 1/3

• Arithmetic sequence with d = 10

• Arithmetic sequence with d = 3

Tags

CCSS.HSF.BF.A.2

Describe the sequence: 25, 22, 19, 16, ....

• Geometric sequence with r = 3

• Geometric sequence with r = 1/3

• Arithmetic sequence with d = -3

• Arithmetic sequence with d = 3

Tags

CCSS.HSF.BF.A.2

Describe the sequence: 64, 32, 16, 8, 4, ....

• Geometric sequence with r = 2

• Geometric sequence with r = 1/2

• Arithmetic sequence with d = 2

• Arithmetic sequence with d = 3

Tags

CCSS.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for the following sequence:

5, 8, 11, 14, 17...

• a_n = 5 + 3(n - 1)

• a_n = 5 +3n - 1

• a_n = 5(3)^n-1

• a_n = 3 + 5(n - 1)

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for the following sequence:

4, 12, 36, 108...

• a_n = 4(3)^n-1

• a_n = 4(3)ⁿ

• a_n = 4(3)(n - 1)

• a_n = 4+3(n-1)

Tags

CCSS.HSF.BF.A.2

Write an explicit formula for the following sequence:

2, 8, 14, 20, ...

• a_n = 2 + 6n

• a_n = 2 + 6(n - 1)

• a_n = 2(6)(n-1)

• a_n = 6 + 2(n - 1)

Tags

CCSS.HSF.BF.A.2