Geometric Series and Sequences

The next term of the sequence 2,4,8,16 is

• 64

• 32

• 108

• 20

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Is the given sequence geometric?

• Yes

• No

• Cannot be determined

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

What is the common ratio for the sequence:
28, 14, 7, 3.5...

• 2
• 1/2
• -14
• -7

Tags

CCSS.HSF.BF.A.2

The n^th term of a geometric sequence is given by ...

• 
• 
• 
• 

Tags

CCSS.HSA.SSE.B.4

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

Find an explicit rule for the nth term of the sequence.

• a_n= -2(4)^n-1

• a_n= -2(4)ⁿ

• a_n= 2(-4)^n-1

• a_n= 2(4)^n-1

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Write a recursive formula for the following sequence:

16,8, 4, 2,...

• a₁=16

  a_n=a_n-1 (2)

• a₁=16

  a_n=a_n-1 (1/2)

• a₁=16

  a_n=a_n-1 + (1/2)

• a₁=16

  a_n=a_{n-1 +} (2)

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Use the formula S_n to find the sum of the first five terms of the geometric sequence.

• 22

• 2/3

• 18

• 21

Tags

CCSS.HSF.BF.A.2

Determine the sum of the series written in Sigma Notation. 

• 45
• 49
• 90
• 47

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3