**Tentative Test Dates**

X02 | Sections | |
---|---|---|

Test 1 | TBA | 1.1 - 1.2, 2.2 - 2.5, 3.1 |

Test 2 | TBA | 4.1 - 4.4, 4.6 - 4.7, 5.1 |

Test 3 | TBA | 6.1 - 6.2, 7.1 - 7.3 |

### Current Tests

None as of yet.

### Previous Tests

#### Winter 2021:

- Test 1:
- DX01 (Civil) and Solutions
- DX02 (Mech) and Solutions

- Test 2:
- DX01 (Civil) and Solutions
- DX02 (Mech) and Solutions

- Test 3:
- DX01 (Civil) and Solutions – for Test 3, omit 3(b)
- DX02 (Mech) and Solutions – for Test 3, omit 3(b), solution revised 2023/03/30 to correct the answer to #4, where a coefficient mysteriously changed from 6 to 4 to 6 again. Fixed now

#### Winter 2020:

### Gilles' Practice Questions

- Gilles' Math 252 site
has practice questions under the Homework heading, with complete handwritten solutions
- For Test 1, try Questions 1 to 18.
- For Test 2, try Questions 19 to 32.
- For Test 3, try Questions 33 to 36, 37(d), 38, 39.
- When studying for the final, try also Questions 37(all parts), 40 to 45, 48 and 49.

### Formula Sheet

You'll get a clean copy of this formula sheet for every test and the final exam.

### Final Exam Information

There are ten questions on the final exam. Here is a rough breakdown of the mark distribution:

- 1st order DEs (Chapters 2 and 3): 24%
- 2nd order DEs (Chapters 4 and 5): 34%
- Power series (Chapter 6): 12%
- Laplace (Chapter 7): 22%
- Systems of DEs (Chapter 8): 8%