Solve x² = 49 and x³ = 27 Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | B x = 7 or x = −7 | Easy | Solved step by step |
| 2 | x = 3 | Easy | Solved step by step |
| 3 | x = 5 | Easy | Solved step by step |
| 4 | x = −4 | Easy | Solved step by step |
| 5 | x = 3 | Medium | Solved step by step |
| 6 | x = −2 | Medium | Solved step by step |
| 7 | x = 23 | Medium | Solved step by step |
| 8 | x ≈ 2.7 | Harder | Solved step by step |
| 9 | B x = −3 | Harder | Solved step by step |
| 10 | x = −35 | 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%.