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Chapter 4: Linear Functions and Inequalities in Two Variables

Author: Sara Edwards

4.1 The Rectangular Coordinate System

Source: Dr. Sara Edwards

4.2 Intro to Functions

Source: Dr. Sara Edwards

4.3 Linear Functions

4.4 Slope of a Straight Line

4-5 Finding Equations of Lines

4-6 Parallel and Perpendicular Lines

4-7 Inequalities in Two Variables