Arithmetic Series Exercises

Find the 17th partial sum of the sequence {a_n} = 2 – 5(n – 1).

Hint

Find the 7th partial sum of the sequence .

Hint

Evaluate:

Hint

Don't let the fancy notation fool ya. This is really just asking for the 10th partial sum of the sequence given by {a_n} = 6n.

Evaluate:

Hint

Once again, all you need to find the sum is the number of terms and the first and last terms.

Find the sum of 4, 1, -2,…, -41.

Hint

Use the first and last term as well as the common difference to find the number of terms.

Find the sum of

Hint

Use the first and last term as well as the common difference to find the number of terms.