Starter quiz

  • __________ sequence is a sequence with a constant multiplicative relationship between successive terms.
    • An arithmetic
    • A geometric  ✓
    • A multiplier
    • A quadratic
  • In the geometric sequence 1.2, 4.8, 19.2, 76.8, ..., the common __________ between the terms is 4.
    • difference
    • multiplier  ✓
    • ratio  ✓
    • sequence
    • term
  • Find the next two terms in this geometric sequence: 3, 30, 300, ...
    • 330
    • 600
    • 3000  ✓
    • 30 000  ✓
    • 33 000
  • Which of these are terms in the geometric sequence generated by the rule: "Start on 224 and use a common ratio of 1\over4"?
    • 56  ✓
    • 14  ✓
    • 2\over7
    • 7\over8  ✓
    • 7.2
  • Some of these sequences are geometric, some are arithmetic. Select all the geometric sequences.
    • 1, 2, 3, 4, ...
    • 1, 2, 4, 8, ...  ✓
    • 1000, 200, 40, 8, ...  ✓
    • 200, 80, -40, -160, ...
    • 1, 3, 9, 27, ...  ✓
  • Which statement is true of the sequence 1, 2, 6, 24, 120, ... ?
    • It is geometric.
    • It is arithmetic.
    • It is geometric because the multipliers are: ×2, ×3, ×4, ×5
    • It has no common ratio therefore it is not geometric.  ✓
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