CCSS.Math.Content.HSF.IF.A.3

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

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CCSS.Math.Content.HSF.IF.A.3

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

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CCSS.Math.Content.HSF.IF.A.3

Find the common ratio: 64, -16, 4, -1, ...

• r = -8
• r = -1/4
• r = -4
• r = 4

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CCSS.Math.Content.HSF.IF.A.3

What is the value of r for the following sequence.
1/2+1/4+1/8+1/16+...

• 2
• -2
• 1/2
• -1/2

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CCSS.Math.Content.HSF.IF.A.3

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

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CCSS.Math.Content.HSF.IF.A.3

What is the common ratio(multiplier) for the sequence:

3, 15, 75...

• 12

• 1/5

• 5

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CCSS.Math.Content.HSF.IF.A.3

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric

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CCSS.Math.Content.HSF.IF.A.3

Which formula is the recursive equation for a geometric sequence?

• $a_1=$
  

  $a_n=r\cdot a_{n-1}$
  

• $a_n=a_1+d\left(n-1\right)$

• $a_n=a_1\cdot r^{n-1}$

• $a_1=$
  $a_n=d+a_{n-1}$
  

Tags

CCSS.Math.Content.HSF.IF.A.3

Find n if the given value if x is the n^th term of the given AP -1,-3,-5,-7,..... x=-151

• 65

• 67

• 76

• 45

Tags

CCSS.Math.Content.HSF.IF.A.3

Find the 25th term of the sequence if a₁ = 5 and d = 0.5

• 18
• 17
• 15
• 14

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CCSS.Math.Content.HSF.IF.A.3