Trig substitution Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | −(√(4 − x2))/4x + C | Medium | Solved step by step |
| 2 | −(√(9 − x2))/9x + C | Medium | Solved step by step |
| 3 | x/(4√(x2 + 4)) + C | Medium | Solved step by step |
| 4 | x/(9√(x2 + 9)) + C | Medium | Solved step by step |
| 5 | A 7.07 | Medium | Solved step by step |
| 6 | 3.14 | Medium | Solved step by step |
| 7 | −(√(16 − x2))/16x + C | Medium | Solved step by step |
| 8 | −(√(25 − x2))/25x + C | Harder | Solved step by step |
| 9 | x/(16√(x2 + 16)) + C | Harder | Solved step by step |
| 10 | 12.57 | 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%.