Starter quiz
- An arithmetic (or linear) sequence is a sequence where the difference between successive terms is a __________.
- constant ✓
- multiplier
- negative number
- positive number
- variable
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- Find the next term in the arithmetic sequence -25, -18, -11, -4, ______.
- '3' ✓
- Find the missing term in the arithmetic sequence 27, ______, 55, 69, 83, ...
- '41' ✓
- Find the common ratio of the geometric sequence 0.4, 1.6, 6.4, 25.6, ...
- 0.25
- 0.4
- 0.6
- 4 ✓
- 6
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- Find the next term in the geometric sequence 0.4, 1.6, 6.4, 25.6, ______, ... Give your answer as a decimal.
- '102.4' ✓
- Which statements are true of the sequence 1920, 960, 480, 240, 120, ... ?
- It is a decreasing sequence therefore will contain negative values in the future
- It is a geometric sequence with a common ratio greater than 1
- It is a geometric sequence with a common ratio less than 1 ✓
- It will eventually start to increase again.
- It will never reach zero. ✓
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