CEMAT104 · Differential Equations · 1st Term, AY 2026–2027
Sagot
ni Sam
na gawa ni Sebastian
Every item from the Long Test and the Midterm, solved step by step and explained in plain words, so reviewing feels less like guessing and more like “ah, gets ko na.”
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Contents
Eight ways
to review
Pick based on how much time you have. Night before the exam? Quick Review, then Flashcards.
- 01Quick ReviewEvery rule, shortcut and method from both exams on one page, with a small DE builder you can play with.10 min
- 02Long Test, solvedAll 25 items with step-by-step reveals. Try it first, then open one step at a time.25 items
- 03Midterm, solvedAll 42 items: terminologies, order & degree, verifying, eliminating constants, families, and six solving methods.42 items
- 04FlashcardsQuestion on the front, answer on the back. Cards you miss come back more often.Spaced
- 05QuizAuto-generated multiple choice, including a “Which method?” drill for the solving part.Scored
- 06Mock ExamTimed, no peeking. Solve on paper, then check each item and grade yourself.Timed
- 07Graph LabAll ten families of curves, live. Drag the arbitrary constants and watch the family appear.Interactive
- 08Original PapersThe Long Test and Midterm questionnaires, plus the printable answer PDF.3 PDFs
Heads-up
Five spots in the papers look mistyped.
Each one is flagged on its item and solved using the most likely intended version. Know these before you compare answers with classmates.
- LT #15“4′” read as 4y′
- LT #19c₃ cos ωt repeats c₁ cos ωt
- LT #13only works with “−”, not “+”
- ME #25the value of α is blank
- ME #33second dx should be dy
- 60 items total · all checked by substituting back.