Topic 2 Sequences

Describe what an arithmetic sequence is.

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Describe what a geometric sequence is.

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What does an increasing, arithmetic sequence graph look like?

What does a decreasing, arithmetic sequence graph look like?

What does a decreasing, geometric sequence graph look like?

What does an increasing, geometric sequence graph look like?

Write a numeric sequence that has a common difference -1 and its first term is -18.

(Include at least five terms)

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Which sequence type, and common ratio/difference is correct for the table?

• arithmetic

  common ratio = 2

• geometric

  common ratio = 2

• arithmetic

  common difference = 2

• geometric

  common difference = -2

Select the arithmetic sequences.

• 1, 2, 3, 4, 5
• 2, 4, 6, 8, 10
• 1, 3, 5, 7, 9
• 1, 2, 4, 8, 16

What are the key features of a recursive formula?

(Select all that apply)

• the numeric sequence

• the equation

• the next term

• the first term

• the table