Chapter 1: Introduction to Differential Equations Last updated May 28, 2024 Save as PDF What to do when you are stuck: Create a similar, but simpler problem. 1.1 Modeling and Direction Fields Page ID155153 Isabel K. DarcyUniversity of Iowa ( \newcommand{\kernel}{\mathrm{null}\,}\) Topic hierarchy1.1 Modeling and Direction Fields1.3 - Classification of Differential EquationsGeoGebra testIntegration by parts ReviewIntro to proofsLinear Algebra and Partial Fractions ReviewSlope Field Review