Arithmetic Sequence Series and Summation

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

• -959

• -1904

• -952

• -1918

Use the summation properties and rules to evaluate.

• 819

• 98

• 8281

• 9604

Write the nth term formula: 5 + 11 + 17 + 23 + … + 35

• t(n) = 5 + 6(n – 1)

• t(n) = 5(6)^n-1

• t(n) = 5 + 6n

• t(n) = -1 + 6(n - 1)

Find the sum:  3 + 8 + 13 + 18 + … + 98 

• 1010

• 140

• 959.5

• 909

Write in summation notation:  17 + 15 + 13 + …. + (-7)

• A

• B

• C

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

• 550

• 638

• 610

• 288

Find the common difference:  a₂ = 6 and a₆ = -14

• -1

• -5

• -2

• 2

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14

• 68

• 63

• 71

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence.

• a_n = 4n + 29

• a_n = - 4n + 25

• a_n = - 4n + 29

• a_n = 4n + 25

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515

• -490

• -535

• 460