Sequences and Series Geometric

Find the sum for the following series. 

• 49

• 3.14

• 1.33

• 1.66

Is the sequence 2, 4, 12, 48,... geometric?

• yes

• no

What is the value of r for the following sequence.
1/2+1/4+1/8+1/16+...

• 2

• -2

• 1/2

• -1/2

Evaluate the series.

• 36

• 85

• 35

• 86

Which sequence is represented by the equation 2(7)^n-1 ?

• 7, 14, 28, 56...

• 2, 14, 98, 686...

• 2, 9, 16, 23...

• 7,9,11,13...

Is the given sequence geometric?

• Yes

• No

• Cannot be determined

List the first five terms of the geometric sequence. Assume that the sequence begins at n = 1.

• 2 , 1/2 , 1/8 , 1/32 , 1/128

• 1/2 , 1/8 , 1/32 , 1/128 , 1/256

• 8 , 2 , 1/2 , 1/8 , 1/32

• 2 , 8 , 32 , 128 , 256

Evaluate the 5^th partial sum of the given geometric sequence: 2 , 12 , 72 , ...

• 3110

• 2592

• 18,662

• cannot be determined

Given the recursive formula for a geometric sequence, find the first five terms and the explicit formula.

• 2 , 10 , 50 , 250 , 1250

• 2 , 7 , 12 , 17 , 22

• 1 , 2, 10, 50, 250

• 
• 

Evaluate the 7th partial sum of the given sequence ?

• 13,021

• 12, 031

• 11, 321

• 10,213