1-1 Arithmetic and Geometric Sequence

What is the 38th term of this sequence?
{26, 22, 18, 14, ... }

• -4
• 10
• -122
• 174

Tags

CCSS.HSF.BF.A.2

What is the common ratio of this sequence?
{2, 10, 50, 250, ... }

• 1,250
• 5
• 10
• 50

Tags

CCSS.HSF.BF.A.2

What is the common difference in this sequence?
{48, 32, 16, 0, ... }

• 1/2
• 2
• -8
• -16

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{14, 22, 30, 38, .. }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is a₅ in the sequence defined as follows?
a_n = 5 ⋅ 2^(n-1) 

• a₅ = 160
• a₅ = 40
• a₅ = 10
• a₅ = 80

Tags

CCSS.HSF.BF.A.2

What are the first three terms of the sequence defined by the following equation?
a_n = 7 + (n - 1)5

• 7, 35, 175
• 7, 2, -3
• 12, 17, 22
• 7, 12, 17

Tags

CCSS.HSF.BF.A.2

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic
• Geometric
• Neither

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CCSS.HSF.BF.A.2

What are the first 4 terms of an arithmetic sequence with a common difference of (-6) if the first term is 76?

• 76, 70, 64, 58
• 76, 82, 88, 94
• 70, 64, 58, 52
• 82, 88, 94, 100

Tags

CCSS.HSF.BF.A.2

Which EXPLICIT function describes the sequence 3, 7, 11, 15, ...?

• f(1)=3; f(n)=f(n-1)+4

• f(1)=4; f(n)=f(n-1)+3

• f(x)=3x+4

• f(x)=4x-1

Tags

CCSS.HSF.BF.A.2

For n = 1,2,3 . . .the explicit formula,
 a_n = (-3)ⁿ  + 4, will produce the sequence:

• {1, 13, -23, 85. . .}
• {1, -5, -23, -77. . .}
• {1, -2, -5, -8...}
• {1, 10,-5, 85. . .}

Tags

CCSS.HSF.BF.A.2