Algebra 2 | Unit 1 | Lesson 7: Representing More Sequences | Practice Problems

• Arithmetic

• Geometric

• Neither

Write a recursive definition for this sequence. Graph at least the first five terms of the sequence.

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Match each recursive definition with one of the sequences.

• 2: 1, 2, 4, 8, 16

• 1: 80, 40, 20, 10, 5

For each sequence, decide whether it could be arithmetic, geometric, or neither. For each sequence that is neither arithmetic nor geometric, how can you change a single number to make it an arithmetic sequence? A geometric sequence?

• Geometric: 25, 5, 1, . . .

• Arithmetic: 25, 19, 13, . . .

• Neither: 4, 9, 16, . . .

• Arithmetic: 50, 60, 70, . . .