Arithmetic and Geometric Series Practice

#1 Hello World

• 196

• 392

• 49

• 254

• 149
• 11,200
• 5,600
• 140

The sum of this arithmetic series is 595. a₁=28, and a_n=91. How many terms are there (what is n)?

• 9

• 10

• 11

• 12

• 315

• 330

• 345

• 360

Calculate the final sum/total of the series.

• 6

• 21

• 9

• 2

Evaluate S_n:

28 + 35 + 42 + 49 + ..., n = 10

(Hint: is this arithmetic or geometric?)

• 2384

• 595

• 1192

• 1190

Evaluate S₈:

2 + 6 + 10 + 14 + ...

• 128

• 494

• 256

• 255

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600

• 18,235

• 18,475

• 19,125

Evaluate S₁₂ for the arithmetic series where:

a₁=?, a₁₂=48, and d=4

• 310

• 312

• 620

• 624

What is the sum of the first 10 terms for the following geometric series:
1+1/2+1/4+1/8+1/16+...

• 0.999

• 0.002

• 9.8

• 1.998