Adding and subtracting rational expressions Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 8/((x + 2)) | Easy | Solved step by step |
| 2 | 5/((x − 1)) | Easy | Solved step by step |
| 3 | 3/((x + 3)) | Easy | Solved step by step |
| 4 | (2x + 2)/(x(x + 2)) | Easy | Solved step by step |
| 5 | (2x + 12)/(x(x + 4)) | Medium | Solved step by step |
| 6 | 94x | Medium | Solved step by step |
| 7 | (5x + 1)/((x + 1)(x − 1)) | Medium | Solved step by step |
| 8 | 1 | Medium | Solved step by step |
| 9 | x/((x + 3)(x − 3)) | Harder | Solved step by step |
| 10 | (2x + 12)/((x + 2)(x + 3)) | 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%.