Arithmetic Series and Geometry

Find the sum of the first 718 terms for the series 2 + 4 + 6 + ... + 1436

• 1,797

• 116,236

• 321,704

• 516,242

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic

• Geometric

• Neither

Which kind of sequence has a common difference?

• Arithmetic

• Geometric

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes

• No

Evaluate the Arithmetic Series

• 105

• 210

• 100

• 420

Find the sum of the infinite geometric series, if it exists:

5 + 4 + 3.2 + 2.56 + ...

• 25

• 5

• -1

• 0.8

Determine whether the sequence could be geometric or arithmetic:

6, 10, 15, 21, ...

• Geometric with r = 5/3

• Arithmetic with d = 4

• Geometric with r = 4

• Neither

What is the sum of the first 10 terms for the following geometric series:
2-6+18-54+...

• 59048

• -29524

• 524288

• 3069

Find the sum for the following series. 

• 49

• 3.14

• 1.33

• 1.66

Evaluate the series.

• 36

• 85

• 35

• 86