Sequences and series

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

• 1296
• 1298
• 2604
• 649

• 2 + 6 + 10 + 14
• -2 + 2 + 6 + 10
• 4 + 8 + 12 + 16
• 2 + 6 + 10 + 14 + ...

• i

• ii

• iii

• iv

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

• 116
• 58
• 64
• 128

Determine the sum of the series written in Sigma Notation. 

• 45
• 49
• 90
• 47

Find the sum: 1 + 4 + 7 + ..... + 142

• 5432

• 2434

• 3432

• 2964

Evaluate S₁₂ for the arithmetic series where:

a₁=?, a₁₂=48, and d=4

• 310

• 312

• 620

• 624

Find the sum of the first 15 terms of the arithmetic series: 2, 5, 8, 11, ...

• The sum of the first 15 terms of the arithmetic series is 225.

• The sum of the first 15 terms of the arithmetic series is 250.

• The sum of the first 15 terms of the arithmetic series is 200.

• The sum of the first 15 terms of the arithmetic series is 150.

Evaluate the sum.

• A

• B

• C

• D

For the arithmetic series (107) + (130) + (153) + ... + (981), the values of  $t_1$ , d, and n are

•  $t_1=107$  , d = 23, n = 39

•  $t_1=-107$   , d = 23, n = 39

•  $t_1=107$ , d = -23, n = 38

•  $t_1=-107$ , d = -23, n = 38