Gaussian elimination Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | (x, y) = (2, 1) | Easy | Solved step by step |
| 2 | (x, y) = (3, 2) | Easy | Solved step by step |
| 3 | (x, y) = (1, 2) | Easy | Solved step by step |
| 4 | (x, y) = (3, 2) | Easy | Solved step by step |
| 5 | (x, y, z) = (107, −17, 127) | Medium | Solved step by step |
| 6 | (x, y, z) = (65, 115, 125) | Medium | Solved step by step |
| 7 | (x, y, z) = (2, 35, 135) | Medium | Solved step by step |
| 8 | (x, y, z) = (12, 52, 2) | Medium | Solved step by step |
| 9 | (x, y, z) = (2, 1, 3) | Harder | Solved step by step |
| 10 | (x, y, z) = (1, 2, 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%.