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 5 terms for the sequences defined by the following quadratic formulae.
    nth term = 5n2 + 3
    nth term = -2n2 - 6
    nth term = 5n2 - 19
    nth term = 6n2 + 5n + 1
    nth term = n2 + 3n - 4
    nth term = 6n2 + 5n + 1
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Question 3: Using differences

  • Find the first and second difference for the following sequence
    sequence: 0312274875
    First difference:
    Second difference:
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Question 3: Finding nth term

  • Write down the nth term formula for the following sequences.
    0,3,8,15,24
    1,4,9,16,25,36
    -1,2,7,14,23,34
    2,5,10,17,26,37,50
    10,13,18,25,34,45,58
    -2,1,6,13,22,33,46
    6,9,14,21,30,41
    4,7,12,19,28,39
    2,5,10,17,26,37
    -5,-2,3,10,19
  • 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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