Arithmetic sequence and series

Front

Find the 35th term in the arithmetic sequence: -10, -14, -18, -22, ...

Back

-146

Front

Find the common difference: -34, -29, -24, -19, ...

Back

d = 5

Front

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

Back

3, 12, 21

Front

The first term of an arithmetic sequence is 4 and the common difference is 5. What will be the 12th term?

Back

59

Front

Which sequence(s) represent an arithmetic sequence? Options: a and e, a, b, and e, b, c, and d, b

Back

a and e

Front

An arithmetic sequence is given below.
2, 9, 16, 23, ...
Which is the explicit formula for the n^th term a_n? Options: a_n = -7n+9, a_n = 7n-5, a_n = 7n-9, a_n = -7n+5

Back

a_n = 7n-5

Front

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

Back

-160

Front

Evaluate the arithmetic series: a₁ = 12, a_n = 64, Find S₁₄

Back

532

Front

Find the sum 24+48+72+...+480

Back

5040

Front

Find the first term of the sequence where a₁₄=68 and d=3.

Back

29