Quadratic inequalities Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | D x < −2 or x > 3 | Easy | Solved step by step |
| 2 | x ≤ −4 or x ≥ 1 | Easy | Solved step by step |
| 3 | B x < −4 or x > −1 | Easy | Solved step by step |
| 4 | x ≤ −4 or x ≥ 4 | Easy | Solved step by step |
| 5 | D x < 0 or x > 4 | Easy | Solved step by step |
| 6 | x < −2 or x > 5 | Medium | Solved step by step |
| 7 | D x ≤ −4 or x ≥ 3 | Medium | Solved step by step |
| 8 | x ≤ 0 or x ≥ 3 | Medium | Solved step by step |
| 9 | C x < −2 or x > 2 | Medium | Solved step by step |
| 10 | x < −13 or x > 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%.