Complex numbers Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 4i | Easy | Solved step by step |
| 2 | 4 − 3i | Easy | Solved step by step |
| 3 | 2 − 4i | Easy | Solved step by step |
| 4 | −12 | Easy | Solved step by step |
| 5 | −i | Easy | Solved step by step |
| 6 | 16 + 11i | Medium | Solved step by step |
| 7 | −i | Medium | Solved step by step |
| 8 | x = 3i or x = −3i | Medium | Solved step by step |
| 9 | B 5 | Harder | Solved step by step |
| 10 | x = 1 + 2i or x = 1 − 2i | 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%.