The binomial theorem Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | x3 + 3x2 + 3x + 1 | Easy | Solved step by step |
| 2 | x3 + 6x2 + 12x + 8 | Easy | Solved step by step |
| 3 | x3 − 3x2 + 3x − 1 | Easy | Solved step by step |
| 4 | x4 + 8x3 + 24x2 + 32x + 16 | Easy | Solved step by step |
| 5 | x5 − 5x4 + 10x3 − 10x2 + 5x − 1 | Medium | Solved step by step |
| 6 | x4 − 12x3 + 54x2 − 108x + 81 | Medium | Solved step by step |
| 7 | x4 − 8x3 + 24x2 − 32x + 16 | Medium | Solved step by step |
| 8 | 16x4 − 32x3 + 24x2 − 8x + 1 | Harder | Solved step by step |
| 9 | x6 + 6x5 + 15x4 + 20x3 + 15x2 + 6x + 1 | Harder | Solved step by step |
| 10 | 27x3 − 27x2 + 9x − 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%.