Determinant rules Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | D = −6 | Easy | Solved step by step |
| 2 | det(AB) = −6 | Easy | Solved step by step |
| 3 | det(AT) = 6 | Easy | Solved step by step |
| 4 | det(3A) = 18 | Easy | Solved step by step |
| 5 | D = −1 | Medium | Solved step by step |
| 6 | D = −2 | Medium | Solved step by step |
| 7 | D = 4 | Medium | Solved step by step |
| 8 | D = 24 | Harder | Solved step by step |
| 9 | D = 1 | Harder | Solved step by step |
| 10 | det(−A) = 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%.