Arithmetic or Geometric Sequences Identify

Define arithmetic sequences.

• A sequence whose terms change by adding the same number each time.

• A sequence whose terms change by multiplying the same number each time.

• A sequence whose terms change by dividing the same number each time.

• A list of numbers that often (but not always) form a pattern.

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CCSS.HSF.BF.A.2

Identify a₁

97, 86, 75, 64, ...

• 64

• 11

• -11

• 97

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CCSS.HSF.BF.A.2

a3 =

• 14

• 2

• 3

• 8

Tags

CCSS.HSF.BF.A.2

Is this graph Arithmetic or Geometric?

• Arithmetic

• Geometric

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CCSS.HSF.BF.A.2

This sequence represents a(n)....

• Arithmetic Sequence

• Geometric Sequence

• Neither

Find the common ratio: 4, -16, 64, -256, ...

• r = -4

• r = 2

• r = -2

• r = 4

Tags

CCSS.HSF.BF.A.2

Given the sequence: 125, 25, 5, .... Write the explicit rule:

• a_n = (125)(1/5)^(n-1)

• a_n = 625(1/5)^(n-1)

• a_n = 625(5)⁽ⁿ⁾

• a_n = 125 + 5n

Tags

CCSS.HSF.BF.A.2

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence.

• a_n = 29-4(n-1)

• a_n = 4+25(n-1)

• a_n = 25-4(n-1)

• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

This graph is...

• Arithmetic 

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

The explicit rule for the given graph is...

Tags

CCSS.HSF.BF.A.2