Test Review #2 - Series

Find the sum of the 1st 20 terms: 2+5+8+......

• 1220

• 610

• 600

• 612

Find the sum: 11 + 15 + 19 + .......+ 83

• 19

• 83

• 893

• 624

Find the sum of the 1st 100 terms: 100+98+96+......

• 100

• 1000

• 50

• -98

Find the sum: 50 + 48 + 46 + ..... + 10

• 630

• 21

• 210

• 1260

What is the sum of the first ten terms of the sequence 4, -12, 36, -144 . . . ?

• 59,050
• -59,048
• -78,732
• 118,096

• -65104

• -71570

• -73483

• -22003

Evaluate the geometric series below:
a₁ = 4, a_n = 262144, r = 4

• 349524
• 341690
• 344023
• 338135

Evaluate the infinite geometric series:

3 - 2 + 4/3 - 8/9 + ...

• 5/4

• 9/5

• 5/6

• 65/27

Evaluate the infinite series described: 

• No Sum
• 4096/5627
• 4/9
• 2048/2813

Determine the sum of the series written in Sigma Notation. 

• -590
• -290
• -293
• -295