Arithmetic and Geometric STAAR

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50

• $35

• $320

• $250

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CCSS.HSF.BF.A.2

Identify the common difference or ratio.

3, 7, 11, 15, ...

• Ratio, -4

• Difference, -4

• Difference, 4

• Ratio, 4

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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

The individual numbers in a sequences are called...

• Common difference

• Successive term

• Term

• Geometric term

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CCSS.HSF.BF.A.2

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

• 25

• 20

• 5

• 4

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CCSS.HSF.BF.A.2

What is the 14th term of the geometric sequence?

• 14,348,907

• 4,782,969

• 1,594,323

• 45

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CCSS.HSF.BF.A.2

Remember that arithmetic sequences have a common difference (add/subtract). Geometric sequences have a common ratio (multiply/divide). SELECT the TWO true statements!

• Arithmetic sequences have a common difference and we are adding the same number each time.

• Arithmetic sequences have a common difference and we are multiplying the same number each time.

• Geometric sequences have a common ratio and we are adding the same number each time.

• Geometric sequences have a common ratio and we are multiplying the same number each time.

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CCSS.HSF.BF.A.2

What is the common difference in this sequence?{48, 32, 16, 0, ... }
[What are we adding to get to the next term?]

• 1/2

• 2

• -8

• -16

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CCSS.HSF.BF.A.2

• 1/2

• 2

• 12

• 24

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CCSS.HSF.BF.A.2

Which sequence is an arithmetic sequence?

• 3, 6, 2, 7, ...

• 3, 6, 12, 24, ...

• 3, 6, 10, 15, ...

• 3, 7, 11, 15, ...

Tags

CCSS.HSF.BF.A.2