Quadratic sequences worksheet

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Mathematics
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Quadratic sequences worksheet
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Question 1: Quadratic sequences

  • Write down the first 9 terms for the sequences defined by the following quadratic formulae.
    nth term = -1n2 + 14
    nth term = 2n2 - 18
    nth term = n2 + 4
    nth term = n2 + 3n - 1
    nth term = -10n2 + 4n - 4
    nth term = 9n2 + 3n - 5
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Question 3: Using differences

  • Find the first and second difference for the following sequence
    sequence: 1413284976
    First difference:
    Second difference:
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Question 3: Finding nth term

  • Write down the nth term formula for the following sequences.
    -2,1,6,13,22
    -8,-5,0,7,16
    11,14,19,26,35,46,59
    0,3,8,15,24,35
    4,7,12,19,28
    2,5,10,17,26,37,50
    5,8,13,20,29,40
    -2,1,6,13,22
    2,5,10,17,26
    2,5,10,17,26,37
  • Work out an nth term formula for the triangular numbers
    1, 3, 6, 10, 15, 21
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2 Responses to “Quadratic sequences worksheet”

  1. YOLO says:

    veeeee whut u doin
    YOLO

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