Geometric Sequence

What is a sequence?

• An order of the same numbers.
• A list of numbers in a specific order. 
• A list of numbers always decreased.
• An order of numbers with no relation. 

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CCSS.HSF.BF.A.2

How is an arithmetic sequence found?

• By multiplying the same number to the previous term. 
• By adding the same number to the previous term.

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CCSS.HSF.BF.A.2

How is a geometric sequence found?

• By adding the same number to the previous term.

• By multiplying the previous term by the same number.

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CCSS.HSF.BF.A.2

What is a term? 

• Each number in the sequence. 
• Each variable in the sequence. 
• Each number or variable in the sequence. 

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CCSS.6.EE.A.2B

What does r represent?

• Radical

• Common difference

• Common ratio

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CCSS.HSF.BF.A.2

What does a₁ represent?

• Any term

• First term

• Last term

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CCSS.HSF.BF.A.2

Describe the relationship between the terms in the arithmetic sequence 
4, 8, 12, 16

• Subtracting 4 to the previous term
• Adding 4 to the previous term
• Multiplying by 2 to the previous term
• Dividing each term by 2

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CCSS.HSF.BF.A.2

Describe the relationship between the terms in the geometric sequence
2, 4, 8, 16

• Multiplying the previous term by 2. 
• Adding by 2 to the previous term. 
• Subtracting the previous term by 4
• Multiplying the previous term by 4

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CCSS.HSF.BF.A.2

Which formula is used to find the recursive equation for geometric sequences?

• a_n = a_n-1 + d
• a_n = a_n-1 * r
• a_n = a₁ + d(n-1)
• a_n = a₁ * r^n-1

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CCSS.HSF.BF.A.2

Which formula is used to find the explicit equation for geometric sequences?

• a_n = a_n-1 + d
• a_n = a_n-1 * r
• a_n = a₁ + d(n-1)
• a_n = a₁ * r^n-1

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CCSS.HSF.BF.A.2