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 = -4n2 + 11
    nth term = -2n2 - 15
    nth term = -3n2 + 12
    nth term = -8n2 + 5n + 5
    nth term = -5n2 - 2n - 4
    nth term = 5n2 + n + 3
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Question 3: Using differences

  • Find the first and second difference for the following sequence
    sequence: 2514295077
    First difference:
    Second difference:
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Question 3: Finding nth term

  • Write down the nth term formula for the following sequences.
    11,14,19,26,35,46,59
    -9,-6,-1,6,15,26,39
    3,6,11,18,27,38
    8,11,16,23,32
    -4,-1,4,11,20
    5,8,13,20,29,40,53
    -1,2,7,14,23,34
    11,14,19,26,35
    2,5,10,17,26,37,50
    -7,-4,1,8,17,28,41
  • 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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