Sum and difference identities Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | (√6 + √2)/4 | Easy | Solved step by step |
| 2 | (√6 − √2)/4 | Easy | Solved step by step |
| 3 | (√6 + √2)/4 | Easy | Solved step by step |
| 4 | (√6 + √2)/4 | Easy | Solved step by step |
| 5 | (−√6 − √2)/4 | Medium | Solved step by step |
| 6 | (√2 − √6)/4 | Medium | Solved step by step |
| 7 | (√6 + √2)/4 | Medium | Solved step by step |
| 8 | (√6 + √2)/4 | Medium | Solved step by step |
| 9 | √32 | Harder | Solved step by step |
| 10 | √22 | 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%.