Embry-Riddle (ERAU) MATH 112 Help & Answers
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MATH 112 Embry-Riddle Help: Applied Calculus for Aviation
Derivatives, integrals, and optimization — all with aviation applications that actually matter for your career. MATH 112 is where ERAU students discover whether calculus clicks or crashes. We’re here to make sure you land safely.
Quick Answer: What is MATH 112?
MATH 112 Applied Calculus for Aviation is a 3-credit course covering differentiation and integration with real aviation applications. You’ll use MyMathLab for homework, Canvas for CIN discussions, and Respondus for proctored exams. The textbook is Washington & Evans (same as MATH 111), covering Chapters 23-26.
✓ Aviation Calculus Specialists
From turbine blade optimization to rocket trajectory problems — we handle ERAU’s unique aviation-themed calculus applications.
Table of Contents
Course Overview: What MATH 112 Covers
MATH 112 Applied Calculus for Aviation is the second half of Embry-Riddle’s aviation mathematics sequence. Where MATH 111 built your foundation in algebra, functions, and trigonometry, MATH 112 introduces the calculus concepts that explain how things change — velocity, acceleration, optimization, and accumulation.
The course is specifically designed for aviation students, which means every concept connects to real applications: calculating the braking distance of an aircraft, optimizing fuel consumption, analyzing the trajectory of a rocket, or determining the force on rotating turbine blades. This isn’t abstract math — it’s the mathematics that underlies flight.
The derivative represents the slope of the tangent line — the instantaneous rate of change at any point.
You’ll use the same textbook from MATH 111 — Washington and Evans, Basic Technical Mathematics with Calculus (11th edition) — but now you’re diving into Chapters 23-26, the calculus portion. MyMathLab remains your homework platform, and Canvas handles discussions, turn-in assignments, and proctored exams via Respondus LockDown Browser.
Core Topics in MATH 112
Limits & Continuity
Foundation for understanding instantaneous change
Differentiation Rules
Power, product, quotient, and chain rules
Motion Equations
Position, velocity, and acceleration relationships
Optimization
Finding maximum and minimum values
Definite Integrals
Calculating area and accumulated quantities
Numerical Integration
Trapezoidal rule approximations
Module-by-Module Breakdown
MATH 112 runs for 9 weeks with a midterm around Week 5 and a cumulative final in Week 9. Each module builds on the previous one, so falling behind early creates compounding problems later. Here’s what you’ll encounter:
| Module | Topics | Key Assignments |
|---|---|---|
| Module 1 | Limits and Continuity | MML HW, Intro Discussion |
| Module 2 | Derivatives: Definition, Power Rule, Tangent Lines | MML HW, CIN Discussion (Centrifugal Force) |
| Module 3 | Product Rule, Quotient Rule | MML HW, Turn-In Assignment |
| Module 4 | Chain Rule, Higher-Order Derivatives | MML HW, CIN Discussion (Rocket Trajectory) |
| Module 5 | Midterm Exam, Curve Sketching | Proctored Midterm (Respondus) |
| Module 6 | Optimization: Maximum and Minimum Values | MML HW, CIN Discussion (Min/Max Task) |
| Module 7 | Antiderivatives, Indefinite Integrals | MML HW, Turn-In Assignment |
| Module 8 | Definite Integrals, Trapezoidal Rule | MML HW, CIN Discussion (Area Problems) |
| Module 9 | Area Between Curves, Final Exam | Proctored Final (Respondus), CIN Application |
Position, velocity, and acceleration are connected through differentiation — velocity is the derivative of position, acceleration is the derivative of velocity.
Why MATH 112 Challenges Aviation Students
MATH 112 has a reputation among ERAU Worldwide students. The jump from pre-calculus to calculus isn’t just about learning new rules — it requires a fundamentally different way of thinking about change and accumulation. Here’s where students typically struggle:
Chain Rule Complexity
The chain rule is conceptually simple but applying it to composite functions (especially with trigonometric and exponential components from MATH 111) requires recognizing nested structures that many students miss.
Word Problem Translation
Aviation-themed problems require translating physical scenarios (centrifugal force, drag equations, braking distance) into mathematical expressions before you can even start the calculus.
Optimization Setup
Module 6 optimization problems require setting up the function to optimize, taking the derivative, solving for critical points, and verifying max/min — a multi-step process where errors compound.
Integration as Reverse Differentiation
After weeks of learning differentiation rules, students must now think backwards. Recognizing which rule produced a given function requires pattern matching that takes practice.
Time Pressure for Military Students
Many ERAU Worldwide students are active-duty military or working professionals. The 9-week compressed format, combined with deployments and shift work, makes consistent study challenging.
How We Help With MATH 112
We’ve helped hundreds of students navigate MATH 112’s specific challenges. Here’s how our support works:
MyMathLab Homework Completion
We work through your MML assignments with full solutions. You get the completion credit while seeing exactly how each problem is solved — useful for exam prep.
CIN Discussion Solutions
Your custom identification number makes your problems unique. We apply your CIN digits to the problem template and provide complete solutions formatted for Canvas submission.
Turn-In Assignments with MathType
Some modules require Word documents with properly formatted equations. We create professional documents using MathType that meet ERAU formatting standards.
Exam Preparation Resources
While you’ll take proctored exams yourself, we prepare you with topic summaries, practice problems, and the conceptual understanding you need to perform on test day.
Optimization problems find where derivatives equal zero — the critical points where functions reach their maximum or minimum values.
Mastering CIN Discussion Problems
CIN (Custom Identification Number) problems are a distinctive feature of ERAU math courses. Each student receives a unique 5-digit number, and problem variables are determined by those digits. For example, if your CIN is 24639, your problem might use a = 2, b = 4, c = 6, d = 3, e = 9.
This system prevents copying but creates additional complexity — you can’t just find someone else’s solution online because your numbers are different. Here are the typical CIN discussion themes in MATH 112:
Common CIN Discussion Topics
- Module 2: Centrifugal force on turbine blades — find instantaneous rate of change as velocity increases
- Module 4: Rocket trajectory — find where the tangent line intersects the target
- Module 6: Min/Max task — optimize parking, fencing, box dimensions, or fuel consumption
- Module 8: Area problems — evaluate definite integrals with your custom bounds
- Module 9: Application CIN — comprehensive problem combining multiple calculus concepts
When you send us your CIN, we substitute your specific digits into the problem template and provide complete, step-by-step solutions. This ensures your submission is both unique and correct.
The definite integral calculates the exact area under a curve between two bounds — used in aviation for distance, work, and accumulation problems.
Midterm and Final Exam Preparation
MATH 112 exams are proctored using Respondus LockDown Browser with webcam monitoring. The midterm covers Modules 1-4 (limits through chain rule), while the final is cumulative with emphasis on Modules 6-9 (optimization through integration).
Since you must take these exams yourself, our role shifts to preparation. We ensure you understand the concepts through your homework solutions, provide targeted practice on common exam problem types, and clarify any confusion before test day.
Exam Day Checklist
- Download and test Respondus LockDown Browser before exam day
- Ensure your webcam and microphone are working
- Have your scientific/graphing calculator ready (TI-83/84 recommended)
- Clear your workspace — no notes, phones, or secondary devices
- Stable internet connection is essential throughout
- Review MML Study Plan for personalized practice based on homework performance
The trapezoidal rule approximates integrals using trapezoids — a numerical method you’ll apply in Module 8.
Related ERAU Courses
MATH 112 is part of a larger ecosystem of Embry-Riddle mathematics and science courses. Here’s how it connects:
Frequently Asked Questions
Ready to Conquer MATH 112?
Don’t let derivatives and integrals derail your aviation career. Our calculus specialists are ready to help.
There are many reasons why students need help with their coursework. In any case, it is never too late to ask for help. So, what are you waiting for? Let’s connect!