Sum of Arithmetic Sequence

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

• -160

• -328

• -320

• -336

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

• 550

• 638

• 610

• 288

Find S_n for the given series:

a₁=22

d=-8

n=21

• 1911

• -2346

• -1449

• -1218

Determine the sum of the first 10 terms of the sequence 2, 5, 8, ...

• 310

• 155

• 170

• 50

• 149
• 11,200
• 5,600
• 140

• 315

• 330

• 345

• 360

Which of the following is the sum of first 17 terms of AP 4, 8, 12, 16……..?

• 626

• 627

• 628

• 612

Find the sum of the first 15 terms of the arithmetic series

• A

• B

• C

• D

Find the sum of the first 12 terms of the arithmetic series

• A

• B

• C

• D

Find the sum of the first 16 terms of the arithmetic series

• A

• B

• C

• D