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 10 terms for the sequences defined by the following quadratic formulae.
    nth term = 2n2 + 4
    nth term = 2n2 - 8
    nth term = 5n2 - 14
    nth term = 10n2 + 5n - 1
    nth term = -4n2 + 4n + 4
    nth term = -6n2 + 2n - 5
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Question 3: Using differences

  • Find the first and second difference for the following sequence
    sequence: -6-210305894
    First difference:
    Second difference:
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Question 3: Finding nth term

  • Write down the nth term formula for the following sequences.
    -8,-5,0,7,16,27
    -9,-6,-1,6,15
    -1,2,7,14,23
    9,12,17,24,33
    2,5,10,17,26,37
    -2,1,6,13,22
    2,5,10,17,26,37,50
    -5,-2,3,10,19,30
    10,13,18,25,34
    6,9,14,21,30
  • Work out an nth term formula for the triangular numbers
    1, 3, 6, 10, 15, 21
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2 Responses

  1. YOLO says:

    veeeee whut u doin
    YOLO

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