Sequences and Series Arithmetic and Geometric

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

• Arithmetic

• Geometric

• Neither

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic

• Geometric

• Neither

Evaluate the series.

• 36

• 85

• 35

• 86

Find the sum of the first 25 terms of the series: 6+14+22+30+...

• 450

• 2650

• 2550

• 550

Find the sum of the first 718 terms for the series

2 + 4 + 6 + ... + 1436

• 1,797

• 116,236

• 321,704

• 516,242

Which kind of sequence has a common difference?

• Arithmetic

• Geometric

What is the 8th term in the sequence below?
3, 9, 27, 81, ...

• 19,683

• 6,561

• 2,187

• 729

The next term of the series 11,8,5,2 is...

• -1

• -2

• 1

• 2

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

• Yes

• No

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

• yes

• no