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Sequences

Sequences

Example 1

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

If the sequence is arithmetic, find d. If the sequence is geometric, find r.

5, 5, 5, 5,...

Example 2

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

If the sequence is arithmetic, find d. If the sequence is geometric, find r.

1, 2, 5, 10, 17,...

Example 3

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

If the sequence is arithmetic, find d. If the sequence is geometric, find r.

81, -27, 9, -3,...

Example 4

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

If the sequence is arithmetic, find d. If the sequence is geometric, find r.

100, 90, 80 , 70, ...

Example 5

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

If the sequence is arithmetic, find d. If the sequence is geometric, find r.

100, 50, -25, 12.5, 6.25, -3.125, ...

Example 6

Is it possible for a sequence to be both arithmetic and geometric?

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