Differential Equations
Intro to DEs, slope fields, separation of variables, and exponential growth/decay
Written and reviewed by the Study Mondo Education TeamLast updated
🎯⭐ INTERACTIVE LESSON
Try the Interactive Version!
Learn step-by-step with practice exercises built right in.
∫ Differential Equations
Solve differential equations using slope fields, separation of variables, and model exponential growth and decay.
Explain using:
📋 AP Calculus AB — Exam Format Guide
⏱ 3 hours 15 minutes📝 51 questions📊 4 sections
| Section | Format | Questions | Time | Weight | Calculator |
|---|---|---|---|---|---|
| Multiple Choice (No Calculator) | MCQ | 30 | 60 min | 33.3% | 🚫 |
| Multiple Choice (Calculator) | MCQ | 15 | 45 min | 16.7% | ✅ |
| Free Response (Calculator) | FRQ | 2 | 30 min | 16.7% | ✅ |
| Free Response (No Calculator) | FRQ | 4 | 60 min | 33.3% | 🚫 |
📊 Scoring: 1-5
5
Extremely Qualified
~20%
4
Well Qualified
~17%
3
Qualified
~19%
2
Possibly Qualified
~22%
1
No Recommendation
~22%
💡 Key Test-Day Tips
- ✓Show all work on FRQs
- ✓Use proper notation
- ✓Check units
- ✓Manage your time
⚠️ Common Mistakes: Differential Equations
Avoid these 4 frequent errors
🌍 Real-World Applications: Differential Equations
See how this math is used in the real world
📝 Worked Example: Related Rates — Expanding Circle
Problem:
A stone is dropped into a still pond, creating a circular ripple. The radius of the ripple is increasing at a rate of cm/s. How fast is the area of the circle increasing when the radius is cm?
2Write the relationship between variables
3Differentiate both sides with respect to time
4Substitute known values
🎴
Practice with Flashcards
Rate this topic's cards with spaced repetition. Cards join your deck when you finish a topic's lesson and take its exit quiz.
📖
Browse All Topics
Explore more AP Calculus AB topics
📌 Related Topics in Differential Equations & Modeling
❓ Frequently Asked Questions
What is Differential Equations?▾
Intro to DEs, slope fields, separation of variables, and exponential growth/decay
How can I study Differential Equations effectively?▾
Start by reading the study notes and working through the examples on this page. Then use the flashcards to test your recall. Regular review and active practice are key to retention.
Is this Differential Equations study guide free?▾
Yes — all study notes, flashcards, and practice problems for Differential Equations on Study Mondo are free to access. No account is needed.
What course covers Differential Equations?▾
Differential Equations is part of the AP Calculus AB course on Study Mondo, specifically in the Differential Equations & Modeling section. You can explore the full course for more related topics and practice resources.