2: Introducing Proportional Relationships Last updated Jan 25, 2020 Save as PDF Index 2.1: Representing Proportional Relationships with Tables Page ID34983 Illustrative MathematicsOpenUp Resources ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Representing Proportional Relationships with Tables2.1.1: One of These Things is Not Like the Others2.1.2: Introducing Proportional Relationships with Tables2.1.3: More about Constant of Proportionality2.2: Representing Proportional Relationships with Equations2.2.1: Proportional Relationships and Equations2.2.2: Two Equations for Each Relationship2.2.3: Using Equations to Solve Problems2.3: Comparing Proportional and Nonproportional Relationships2.3.1: Comparing Relationships with Tables2.3.2: Comparing Relationships with Equations2.3.3: Solving Problems about Proportional Relationships2.4: Representing Proportional Relationships with Graphs2.4.1: Introducing Graphs of Proportional Relationships2.4.2: Interpreting Graphs of Proportional Relationships2.4.3: Using Graphs to Compare Relationships2.4.4: Two Graphs for Each Relationship2.5: Let's Put it to Work2.5.1: Four Representations2.5.2: Using Water Efficiently