Geometric Sequences Lesson

Front

Is the sequence -432, 72, -12, 2,... geometric, arithmetic or neither?

Back

geometric

Front

Determine whether the sequence is arithmetic, geometric, or neither.

Back

arithmetic

Front

Is the sequence 2, 4, 12, 48,... geometric, arithmetic, or neither?

Back

neither

Front

Determine whether the sequence is arithmetic, geometric, or neither.

Back

geometric

Front

Find the common ratio: 4, -16, 64, -256, ...

Back

r = -4

Front

Find the common ratio: 64, 16, 4, 1, ...

Back

r = 1/4

Front

Find the next three terms: 4, 12, 36, 108, ...

Back

324, 972, 2916

Front

Find the next three terms: -4, -12, -36, -108, ...

Back

-324, -972, -2916

Front

Given the rule: a_n = 7(½)^n-1, identify the first term.

Back

7

Front

Find a₁₂ for the geometric sequence defined by the following formula: a_n = 6(2)^n-1

Back

12,288