Checking and securing understanding of non-linear sequences

12 questions

1. The sequence -7, -3, 1, 5, 9, ... has a common difference of +4 therefore it is called __________ sequence.
2. The sequence 4, 12, 36, 108, ...has a common ratio of ×4 therefore it is called __________ sequence.
3. Match each arithmetic sequence to its next term.
4. The next term of this geometric sequence 5, 15, 45, 135, ... is ___.
5. Why is 50, 45, 39, 32, 44, ... not an arithmetic sequence?
6. Which of these words describes the sequence -86, -74, -62, -50, ... ?
7. A sequence with a multiplicative, term-to-term relationship is called __________ sequence.
8. Match the sequence to the descriptor.
9. Find the common ratio of the geometric sequence 192, 48, 12, ...
10. What is the common second difference of the sequence 3, 12, 27, 48, ... ?
11. Select the statements that are true of the sequence 2, 16, 54, 128, 250, ...
12. Which of these sequences will not always decrease?

License: OGL