Sum of Arithmetic Series

What is the sum of the first 14 terms of an arithmetic series 7, 2, -3?

• -357

• -432

• -389

• -417

What is the sum of the 11 terms of the arithmetic sequence 28, 34, 40, 46, 52, ..., 88?

• 540

• 600

• 638

• 724

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find S_n for the given series:

a₁=22

d=-8

n=21

• -1288

• -1218

• -1268

• -1208

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Find the sum an arithmetic progression 24 + 48 + 72 + . . . + 480

• 5020

• 5080

• 5060

• 5040

Find the sum of the finite arithmetic series  $\sum_{n=3}^{35}\left(6n\right)$  

• 3 762

• 3 766

• 3 760

• 3 768

Find the sum of the finite arithmetic series  $\sum_{n=1}^{20}\left(3n-1\right)$  

• 600

• 620

• 610

• 630

If 2x + 3x + 4x + . . . +27x = 754. What is the value of x?

• 1

• 2

• 3

• 4