Proof by induction Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | (k2 + 3k + 2)/2 | Easy | Solved step by step |
| 2 | k2 + 3k + 2 | Easy | Solved step by step |
| 3 | (3k2 + 9k + 6)/2 | Easy | Solved step by step |
| 4 | 2 × 2k − 1 | Medium | Solved step by step |
| 5 | (3k2 + 7k + 4)/2 | Medium | Solved step by step |
| 6 | 2k2 + 6k + 4 | Medium | Solved step by step |
| 7 | 3 × 3k − 1 | Medium | Solved step by step |
| 8 | (2k3 + 9k2 + 13k + 6)/6 | Harder | Solved step by step |
| 9 | (4 × 4k − 1)/3 | Harder | Solved step by step |
| 10 | 4 × 2k − 2 | 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%.