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Mathematics

1st -

5thgrade

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arithmetic sequence 2

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    Write the recursive formula for 4, 8, 12...
    an=an-1-7
    an=an-1-4
    an=an-1+3
    an=an-1+4
  • 2. Multiple Choice
    5 minutes
    1 pt
    Given the sequence:
     25, 21, 17, 13,...
    Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)
    an = 4n + 29
    an = -4n + 25
    an = -4n + 29
    an = 4n + 25
  • 3. Multiple Choice
    5 minutes
    1 pt
    Create the explicit formula for the sequence:
    2, 8, 14, ...
    (Hint:  Write your formula and then simplify it.)
    an=2+6n
    an=-6+6n
    an=6n-4
    an=4-6n
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