Second-order recurrences Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | a_n = 2n + 3n | Easy | Solved step by step |
| 2 | a_n = 2n + 4n | Easy | Solved step by step |
| 3 | a_n = 2 × 2n + 5n | Easy | Solved step by step |
| 4 | a_n = 3n + 5n | Easy | Solved step by step |
| 5 | a_n = 2n + 6n | Easy | Solved step by step |
| 6 | a_n = −2n + 2 × 3n | Medium | Solved step by step |
| 7 | a_n = 4n + 5n | Medium | Solved step by step |
| 8 | a_n = 2n + n × 2n | Harder | Solved step by step |
| 9 | a_n = 3n + n × 3n | Harder | Solved step by step |
| 10 | a_n = 2 × 4n + n × 4n | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.