Geometric Sequences Lesson

Is the sequence -432, 72, -12, 2,...geometric, arithmetic or neither?

• geometric

• arithmetic

• neither

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric, arithmetic, or neither?

• geometric

• arithmetic

• neither

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither

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

Find the common ratio: 64, 16, 4, 1, ...

• r = 8

• r = 1/4

• r = 4

• r = -1/4

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find the next three terms: 4, 12, 36, 108, ...

• 324, 972, 2916
• 972, 2916, 8748
• 405, 1215, 3645

Tags

CCSS.HSF.BF.A.2

Find the next three terms: -4, -12, -36, -108, ...

• 36, -108, 324
• -324, -972, -2916
• 324, -972, 2916
• -108, 324, -972

Tags

CCSS.HSF.BF.A.2

Given the rule: a_n = 7(½)^n-1

Identify the first term.

• a_n

• 7

• ½

• n

Tags

CCSS.HSF.BF.A.2

Find a₁₂ for the geometric sequence defined by the following formula:

a_n = 6(2)^n-1

• 4096

• 24,576

• 2048

• 12,288

Tags

CCSS.HSF.BF.A.2