Arithmetic Sequence Sum and Finding

Calculate the sum.

• 66
• 14
• 704
• 114

• 196
• 392
• 49
• 254

Evaluate the series.

• 36
• 85
• 35
• 86

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

• 1911
• -1449
• -2436
• -1218

The series 28 + 34 + 40 +46 + 52 + ... 88

This Series has 11 Terms, find the Sum of the series

• 550

• 638

• 610

• 288

Find the missing terms of the arithmetic sequence:
145, ___, ___, ___, 205

• 160, 175, 190
• 165, 185, 195
• 155, 165, 175
• 190, 175, 160

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

• -160
• -328
• -320
• -336