Arithmetic and Geometric Sequences & Series

Front

Find the 10th term.

Back

21

Front

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

Back

Neither

Front

Next 3 terms in the geometric sequence: 512, 256, 128, ___, ___, ___

Back

64, 32, 16

Front

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

Back

4, 20, 100, 500

Front

Find the next three terms in the arithmetic sequence: 25, 34, 43, 52, ...

Back

61, 70, 79

Front

Is the sequence geometric? If so, identify the common ratio. 6, 12, 24, 48

Back

yes, 2

Front

What is the fifth term of the geometric sequence? 5, 15, 45,...

Back

405

Front

What is the difference between an arithmetic sequence and a geometric sequence?

Back

One has a common difference and one has a common ratio.

Front

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence. HINT: It is an arithmetic Sequence. Options: aₙ = 4n + 29, aₙ = - 4n + 25, aₙ = - 4n + 29, aₙ = 4n + 25

Back

aₙ = - 4n + 29

Front

Is the sequence arithmetic: 17, 9, 1, -7, ...

Back

Yes