CCSS.Math.Content.HSF.BF.A.2

Is the sequence arithmetic: -3, 3, -3, 3, ...

• Yes
• No

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CCSS.Math.Content.HSF.BF.A.2

Find the next three terms in the arithmetic sequence: 9, 19, 29, 39, ...

• 45, 54, 63
• 49, 59, 69
• 39, 49, 59
• 59, 69, 79

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CCSS.Math.Content.HSF.BF.A.2

Find the 10th term.

• 16
• 12
• 21
• 30

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CCSS.Math.Content.HSF.BF.A.2

Choose the correct answer from the given four options:
The 10th term of the AP: 5, 8, 11, 14, ... is

• 32
• 35
• 38
• 25

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CCSS.Math.Content.HSF.BF.A.2

Find the geometric mean for 3 and 9.

• 3
• 3√3
• 9
• 9√3

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CCSS.Math.Content.HSF.BF.A.2

What is the common difference or ratio of the pattern 32, 38, 44, 50, 56, ...?

• d = + 6
• d = - 6
• d = - 8
• d =  2

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CCSS.Math.Content.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1
• a_n = 3(4)^n-1
• a_n = -4(3)^n-1
• a_n = 3(-4)^n-1

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CCSS.Math.Content.HSF.BF.A.2

You have $729 in the bank on Day 1, $243 on Day 2, and $81 on Day 3. Write the explicit formula that expresses the sequence.

• a_n = 729(1/3)^n-1

• a_n = 729(3)^n-1

• a_n = 1/3(a_n-1)

• a_n = 1/3(729)^n-1

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CCSS.Math.Content.HSF.BF.A.2

What does r represent?

• Radical

• Common difference

• Common ratio

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CCSS.Math.Content.HSF.BF.A.2

Write a recursive formula for the following sequence:

16,8, 4, 2,...

• a₁=16

  a_n=a_n-1 (2)

• a₁=16

  a_n=a_n-1 (1/2)

• a₁=16

  a_n=a_n-1 + (1/2)

• a₁=16

  a_n=a_{n-1 +} (2)

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CCSS.Math.Content.HSF.BF.A.2