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Chapter 4: Linear Functions

Difficulty Level: Advanced Created by: CK-12

Introduction

Here you'll learn all about lines. You will learn how to find the slope of a line and the equation of a line. You will learn to graph a line directly from its equation without first having to make a table. You will learn about parallel and perpendicular lines and their relationship with slope. Finally, you will learn how to use your knowledge of lines to model and solve real-world problems.

Chapter Outline

Chapter Summary

Summary

You learned that slope is a measure of the steepness of a line. You learned how to find the slope of a line given two points on the line or the graph of the line. You also learned how to write the equation of a line in two forms: slope-intercept form and standard form. You learned how to graph a line directly from its equation without first making a table.

You also learned about parallel and perpendicular lines. You learned parallel lines always have the same slope while perpendicular lines always have slopes that are opposite reciprocals. Finally, you learned how to model real-world problems with linear functions.

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Description
Difficulty Level:
Advanced
Grades:
Date Created:
Oct 08, 2013
Last Modified:
Jun 16, 2016
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