Topic 2: Arithmetic & Geometric Sequences

What type of sequence is represented by the graph?

• Geometric

• Arithmetic

• Neither

Tags

CCSS.HSF.BF.A.2

Which formula would be used to represent an explicit formula of an arithmetic sequence?

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Tags

CCSS.HSF.BF.A.2

What is the explicit formula represented by the graph? (Hint: create a table of terms & values)

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Tags

CCSS.HSF.BF.A.2

What type of sequence is represented by the graph?

• Arithmetic

• Geometric

• Neither

Which formula would be used to represent an explicit formula of an geometric sequence?

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Tags

CCSS.HSF.BF.A.2

Which explicit formula is represented by the graph?

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Tags

CCSS.HSF.LE.A.2

Given the recursive formula, find the first four terms:
a_n = a_n-1 + 5
a₁ = -16

• -16, -21, -26, -31
• 5, -11, -27, -43
• -16, -80, -500, -200
• -16, -11, -6, -1

Tags

CCSS.HSF.BF.A.2

Given the recursive formula, find the first four terms:
a_n = -3⋅a_n-1
a₁ = 45

• 45, -135, 405, -1215
• -45, -135, -405, -1215
• 45, 135, 405, 1215
• 45, 42, 39, 36

Tags

CCSS.HSF.BF.A.2

What is the common ratio and the first term of this sequence?

• r = 126

  a₁ = 63

• r = 3

  a₁ = 63

• r = 3

  a₁ = 7

• r = 126

  a₁ = 7

Tags

CCSS.HSF.BF.A.2

How much water is in the barrel after ten minutes?

Tags

CCSS.HSF.BF.A.2