Expanding three brackets Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | x3 + 6x2 + 11x + 6 | Easy | Solved step by step |
| 2 | x3 + 5x2 + 7x + 3 | Easy | Solved step by step |
| 3 | x3 + 6x2 + 3x − 10 | Easy | Solved step by step |
| 4 | x3 + 6x2 + 12x + 8 | Easy | Solved step by step |
| 5 | x3 − 6x2 + 11x − 6 | Medium | Solved step by step |
| 6 | x3 − 13x + 12 | Medium | Solved step by step |
| 7 | x3 + 9x2 + 27x + 27 | Medium | Solved step by step |
| 8 | 2x3 − 3x2 − 11x + 6 | Harder | Solved step by step |
| 9 | 4x3 + 8x2 + x − 3 | Harder | Solved step by step |
| 10 | 8x3 + 12x2 + 6x + 1 | 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%.