1. Copyright © by Holt, Rinehart and Winston. All Rights Reserved. Represent a real-world linear relationship in a table, graph, or equation. Identify linear equations and linear relationships between variables in a table. 1.1 Tables and Graphs of Linear Equations Objectives

2. Copyright © by Holt, Rinehart and Winston. All Rights Reserved. linear equation linearly related Glossary Terms 1.1 Tables and Graphs of Linear Equations

3. Copyright © by Holt, Rinehart and Winston. All Rights Reserved. Key Skills Identify linear equations and linear relationships between variables in a table. 1.1 Tables and Graphs of Linear Equations x y–1 –2 model equation: y = 2x + 3 1 –1 +1 +2 3 0 +1 +2 5 1 +1 +2

4. Copyright © by Holt, Rinehart and Winston. All Rights Reserved. TOC Key Skills 1.1 Tables and Graphs of Linear Equations Represent a real-world linear relationship in a table, graph, or equation. Weight, xcost, y 10.33 20.55 30.77 40.99 model equation: y = 0.22x + 0.11