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Sort each sequence by its pattern

Exercise and reference answers

Left
Arithmetic
Items
  1. Item
    3, 7, 11, 15
    Answer
    Arithmetic
  2. Item
    2, 6, 18, 54
    Answer
    Geometric
  3. Item
    5, -10, 20, -40
    Answer
    Geometric
  4. Item
    17, 14, 11, 8
    Answer
    Arithmetic
  5. Item
    2, 12, 22, 32
    Answer
    Arithmetic
  6. Item
    18, 36, 72, 144
    Answer
    Geometric
  7. Item
    -18, -7, 4, 15
    Answer
    Arithmetic
  8. Item
    48, 24, 12, 6
    Answer
    Geometric
Right
Geometric
Instructions
Swipe left for a common difference, right for a common ratio.

Explanation

_Source: OpenStax Algebra and Trigonometry, section 13.2 Arithmetic Sequences_
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