Mathematics

8th -

9thgrade

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Geometric Sequences

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  • 1. Multiple Choice
    1 minute
    1 pt
    Is the sequence 2, 4, 12, 48,... geometric?
    yes
    no
  • 2. Multiple Choice
    3 minutes
    1 pt
    What is the common ratio for the sequence:
    28, 14, 7, 3.5...
    2
    1/2
    -14
    -7
  • 3. Multiple Choice
    1 minute
    1 pt
    Find the common ratio: 4, -16, 64, -256, ...
    r = -4
    r = 2
    r = -2
    r = 4
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