Arithmetic Series QUIZ Practice

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

• -160
• -328
• -320
• -336

Evaluate the arithmetic series described:
28 + 38 + 48 + 58..., S₇

• 1644
• 812
• 406
• 3290

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

• 1220

• 610

• 600

• 612

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

• 100

• 1000

• 50

• -98

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

• 19

• 83

• 893

• 624

Find S_n for the given series:
a₁=22
d=-8
n=21

• 1911
• -1449
• -2436
• -1218

Find S₁₄ 
7, 2, -3, ...

• -812
• 119
• -945
• -357

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

• 14
• 68
• 63
• 71

Find the first term of the given sequence:
a₁₄=68
d=3

• 14
• 20
• 26
• 29

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

• 8
• 11
• -11
• -8