Arithmetic and Geometric Sequences and Series Flashcard Review

Front

Evaluate the geometric series: 3+15+75+375+..., n=6

Back

11,718

Front

Evaluate the geometric series 1-2+4-8..., n=8

Back

-85

Front

a₁=2, r=−2, Sn = 22. Determine the number of terms n in the series.

Back

5

Front

−4, −12, −36, −108, ... Find the common ratio

Back

r=3

Front

4, 24, 144, 864, ... Find the next 3 terms

Back

5184, 31104, 196624

Front

1, −2, 4, −8, ... Find a₁₁

Back

1024

Front

Which of the following is not an Arithmetic Progression? Options: 1, 4, 7, 10, .....; 3, 7, 12, 16, ......; -5, -2, 1, 4, .....; 11, 14, 17, 20, .....

Back

3, 7, 12, 16, ......

Front

Find the 10th term.

Back

21

Front

Find a₄₀ in an arithmetic sequence with a₁₅=160 and a common difference of -15.

Back

-215

Front

Classify the sequence: {2, 9, 7, 14, 12, 19, ... }
Options: Arithmetic, Geometric, Neither

Back

Neither