Mathematics

9th -

12thgrade

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Recursive and Explicit Formula

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  • Multiple Choice
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    45 seconds
    1 pt

    What is the next term in the sequence 12, 31, 40, 49, ... ?

    56

    57

    58

    59

  • Multiple Choice
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    1 minute
    1 pt

    Given the recursive formula below, find the first five terms.

    u1 = 3

    un = un-1 + 2

    3, 5, 7, 9, 11

    5, 7, 9, 11, 13

  • Multiple Choice
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    1 minute
    1 pt
    Given the first five terms, write the recursive formula.
    15, 12, 9, 6, 3 ....
    u1 = 15
    un = un-1 + 3
    u0 = 15
    un = un-1 + 3
    u1 = 15
    un = un-1 - 3 
    u0 = 15
    un = un-1 - 3
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