· ** ****Midterm**** 1 Exam Places are Announced**

· **MA219 Midterm1 Exam Contents:**

**§1.1, §1.3: Introduction, Direction Fields**

**Chapter**** 2. First Order Differential Equations**

**§2.2: Separable equations (also homogeneous equations - see p49 #30). **

**§2.1: Linear equations; Method of integrating factors. **

**§2.3: Modeling with first
order equations **

**§2.4: Differences between linear and nonlinear
equations **

**§2.6: Exact equations and integrating factors. **

**Chapter**** 7. Systems of First Order Linear Equations**

**§7.1: Introduction. **

**§7.2: Review of matrices.**

**§7.3: Systems of linear algebraic equations; Linear independence, eigenvalues, eigenvectors. **

**§7.4: Basic
theory of systems of first order linear
equations.**

**§7.5: Homogeneous linear systems with constant
coefficients.**

**§7.6: Complex eigenvalues.**

**§7.7: Fundamental matrices. **

**§7.8: Repeated eigenvalues.**

**§7.9: Nonhomogeneous linear systems (variation of parameters only).**

· **MA219 Midterm1 : November 18 ^{th} at 13:30.
Exam places will be announced.**

· Suggested problems are updated for 9^{th} and 10^{th} edition for text book.

· Student information system is online. (Please
check your sections.)