Sequences and Series

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

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

• 64

• 32

• 108

• 20

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Evaluate the Arithmetic Series

• 105

• 210

• 100

• 420

• 2400

• 2450

• 4800

• 9700

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

5 + 4 + 3.2 + 2.56 + ...

• 25

• 30

• -1

• 0.8

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

• 59048
• -29524
• 524288
• 3069

Find S₂₆ of the sequence {3, -1, -5, -9...}

• -346

• -1423

• -97

• -1222

 $\sum_{x=4}^{39}\left(5x+2\right)\$  Find the sum

• 3125

• 3942

• 3623

• 3952

What is the Binomial expansion of (x + 1)⁵ ?

• x⁵ + 5x⁴ + 10x³ + 10x² + 5x + 1

• x⁵ + 5x⁴ + 15x³ + 15x² + 5x + 1

• x⁵ + 6x⁴ + 15x³ + 15x² + 6x + 1

• x⁵ + 1