Cross product and area Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | B (−3, 6, −3) | Easy | Solved step by step |
| 2 | (1, −2, 6) | Easy | Solved step by step |
| 3 | A (5, −3, −1) | Easy | Solved step by step |
| 4 | (−4, 10, −6) | Medium | Solved step by step |
| 5 | D (5, −3, −6) | Medium | Solved step by step |
| 6 | 9 | Medium | Solved step by step |
| 7 | C 10 | Medium | Solved step by step |
| 8 | A = 72 | Harder | Solved step by step |
| 9 | A A ≈ 2.3 | Harder | Solved step by step |
| 10 | (14, −7, 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%.