A2A | U1Q2 | Sequences & Series (ATA Unit Test)

• -4, -9, -19, -39, -79.

• -4, -7, -13, -25, -49.

• -4, -8, -15, -29, -57.

• -4, -10, -19, -37, -73.

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CCSS.HSF.BF.A.2

Tags

CCSS.HSF.BF.A.2

Which formula can be used to represent the sequence below? {2, 5, 17, 65, 257, ...}

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CCSS.HSF.IF.A.3

Which formula can be used to represent the sequence below? {-6, -3, 2, 9, 18, ...}

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CCSS.HSF.IF.A.3

Find the sum of the first nine terms in the series below. {1 + 2 + 4 + 8 + 16 + ...}

• The sum of the first nine terms in the series is 31.

• The sum of the first nine terms in the series is 511.

• The sum of the first nine terms in the series is 120.

• Not enough information to find the sum of this series

Tags

CCSS.HSA.SSE.B.4

Describe the sequence as arithmetic, geometric, or neither.

For arithmetic and geometric sequences, give the common difference or common ratio.

{3, -6, 12, -24, -48,...}

• Geometric

  Common Ratio: -2

• Arithmetic

  Common Difference: 9

• Neither

• Geometric

  Common Ratio: 2

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CCSS.HSF.BF.A.2

Is the following sequence arithmetic, geometric, or neither.

For arithmetic and geometric sequences, give the common difference or common ratio. If neither, say it is NA.

{12, 6, 0, -6, -12,...}

This sequence is ​ (a)   and its common difference/ratio is ​ (b)  

• arithmetic
• -6
• geometric
• neither
• 6
• 2
• -2
• 1/2
• -1/2

Tags

CCSS.HSF.BF.A.2

Describe the sequence as arithmetic, geometric, or neither.

For arithmetic and geometric sequences, give the common difference or common ratio.

{3600, 1440, 576, 230.4,...}

• Geometric

  Common Ratio: 0.4

• Arithmetic

  Common Difference: 2160

• Neither

• Geometric

  Common Ratio: 0.5

Tags

CCSS.HSF.BF.A.2

Describe the sequence as arithmetic, geometric, or neither.

For arithmetic and geometric sequences, give the common difference or common ratio.

{600, -300, 100, -25,...}

• Geometric

  Common Ratio: -1/3

• Arithmetic

  Common Difference: -900

• Neither

• Geometric

  Common Ratio: -1/2

Tags

CCSS.HSF.BF.A.2