Arithmetic Sequence and Series

Evaluate the arithmetic series described:
11 + 18 + 25 + 32..., S₇

• 225

• 450

• 384

• 224

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

• 1644

• 812

• 406

• 3290

Evaluate the arithmetic series described:
14 + 23 + 32 + 41..., S₁₁

• 1296

• 1298

• 2604

• 649

Evaluate the arithmetic series described:
a₁ = 5, a_n = 145, Find S₁₅

• 1125

• 2255

• 2250

• 2258

• first term

• initial value

• increment

• starting point

• change rate

• common ratio

• opens up/down

• distance

• slope

• common difference

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

• 1911

• -1449

• -2436

• -1218

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

• 19

• 83

• 893

• 624

Evaluate the arithmetic series described:
0 - 7 - 14 - 21..., S₁₇

• -959

• -1904

• -952

• -1918

Evaluate the arithmetic series described:
1 + 3 + 5 + 7..., S₈

• 116

• 58

• 64

• 128

Evaluate the arithmetic series described:
a₁ = 12, a_n = 64, Find S₁₄

• 1082

• 532

• 541

• 1064