Sequences

What is an arithmetic sequence?

A sequence made by ______ the ____ value each time.

• adding; first

• multiplying; same

• adding; same

• multiplying; first

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CCSS.HSF.BF.A.2

Arithmetic sequences change by ADDING the SAME value each time.

Which of these sequences are arithmetic sequences?

a) {3, 6, 12, 24, ...}

b) {32, 16, 8, 4, ...}

• Only a

• Only b

• Both a & b

• Neither

Tags

CCSS.HSF.BF.A.2

Sequences that increase or decrease by MULTIPLYING the previous term by a fixed number are called _________ sequences.

• arithmetic

• geometric

• logarithmic

• mathematic

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CCSS.HSF.BF.A.2

{2, 7, 12, 17, 22, ...}

• arithmetic

• geometric

• neither

Tags

CCSS.HSF.BF.A.2

{2, 6, 18, 54, 162, ...}

• arithmetic

• geometric

• neither

Tags

CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 10
• 1/2
• 2
• 4

Tags

CCSS.HSF.BF.A.2

What are the next 3 terms in the following geometric sequence:

512, 256, 128, ___, ___, ___, ...

• 1024, 2048, 4096

• 32, 8, 2

• 64, 32, 16

• 92, 66, 38

Tags

CCSS.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Tags

CCSS.HSF.BF.A.2

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

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

What is the common difference of the sequence 2, -1, -4, -7,...?

• -3

• -1

• -2

• 3

Tags

CCSS.HSF.BF.A.2