Chapter 13.3

Understanding graphs of linear relationships


What You'll Learn

Read and interpret coordinates on linear graphs to extract meaningful data
Identify patterns and relationships between variables on a graph
Create tables of values from graph points to organize information
Calculate values using linear relationships and equations like y = mx + b
Determine when it's reasonable to use points between data values

What You'll Practice

1

Extracting information from cost versus quantity graphs

2

Finding speed using distance and time from graph coordinates

3

Creating tables of values from plotted points

4

Using linear equations to predict values beyond the graph

Why This Matters

Understanding graphs of linear relationships lets you analyze real-world data like costs, distances, and rates. You'll use these skills in science labs, economics, and everyday situations like comparing prices or planning travel times.

Before You Start — Make Sure You Can:

This Unit Includes

8 Video lessons
Practice exercises

Skills

Linear Relationships
Coordinates
Tables of Values
Graphing
Patterns
Linear Equations
Data Analysis
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