Dot product, angle between two vectors Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 10 | Easy | Solved step by step |
| 2 | 8 | Easy | Solved step by step |
| 3 | 0 | Easy | Solved step by step |
| 4 | −5 | Medium | Solved step by step |
| 5 | 0 | Medium | Solved step by step |
| 6 | 16.3° | Medium | Solved step by step |
| 7 | B 53.1° | Medium | Solved step by step |
| 8 | 81.9° | Harder | Solved step by step |
| 9 | B 180° | Harder | Solved step by step |
| 10 | 0° | 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%.