Choosing a method Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | C x = 7 or x = −7 | Easy | Solved step by step |
| 2 | x = 2 or x = −4 | Easy | Solved step by step |
| 3 | C x = 7 or x = −1 | Easy | Solved step by step |
| 4 | x = 4 or x = −4 | Easy | Solved step by step |
| 5 | C x = 3 or x = −4 | Medium | Solved step by step |
| 6 | x = 1 or x = −3 | Medium | Solved step by step |
| 7 | A x ≈ 0.24 or x ≈ −4.24 | Medium | Solved step by step |
| 8 | x = −3 or x = 7 | Harder | Solved step by step |
| 9 | B x = 32 or x = −32 | Harder | Solved step by step |
| 10 | x ≈ 0.29 or x ≈ −0.69 | 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%.