Revisit Exponential Functions and Geometric Sequences

Select the exponential function that matches the geometric explicit formula.

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CCSS.HSF.LE.A.2

Select the geometric explicit formula that matches the exponential function.

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CCSS.HSF.LE.A.2

Select the geometric explicit formula that matches the exponential function.

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CCSS.HSF.LE.A.2

Given the sequence: 125, 25, 5, .... Write the rule a_n using the geometric sequence formula:

• a_n = (125)(1/5)^(n-1)

• a_n = 625(1/5)^(n-1)

• a_n = 625(5)^(n-1)

• a_n = 125 + 5n

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CCSS.HSF.BF.A.2

What is the 9^th term in a geometric sequence with a common ratio of 2 and a first term of 3?

• 384

• 768

• 1,536

• 27

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CCSS.HSF.BF.A.2

What does r represent?

• Radical

• Common difference

• Common ratio

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CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 10

• 1/2

• 2

• 4

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CCSS.HSF.BF.A.2

Is the sequence -432, 72, -12, 2,...geometric?

• yes

• no

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CCSS.HSF.BF.A.2

What are the next 3 terms in the following geometric sequence:

512, 256, 128, ___, ___, ___, ...

• 1024, 2048, 4096

• 32, 8, 2

• 64, 32, 16

• 92, 66, 38

Tags

CCSS.HSF.BF.A.2

This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?

• 4

• 3

• 2

• 6

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CCSS.HSF.BF.A.2