Geometric Sequences

Front

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

Back

geometric

Front

Find the common ratio for the geometric sequence.

Back

2

Front

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

Back

64, 32, 16

Front

Write the explicit formula for the geometric sequence. Options: _Un = 4(3)^n-1, _Un = 3(4)^n-1, _Un = -4(3)^n-1, _Un = 3(-4)^n-1

Back

_Un = 3(-4)^n-1

Front

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

Back

4, 20, 100, 500

Front

Determine the explicit formula and then find U₁₂ for the sequence {-1, -3, -9, -27, ...}

Back

-177,147

Front

9^th term in a geometric sequence with a common ratio of 2 and a first term of 3

Back

768

Front

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

Back

r = -1/4

Front

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

Back

arithmetic

Front

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

Back

geometric