# Chapter 2: Linear Equations and Inequalities

Created by: CK-12

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## Introduction

In this chapter, you will review how to find the slope and the equation of a line. Second, we will review graphing lines and inequalities. The differences and similarities between relations and functions will be discussed. Finally, you will learn how to graph an absolute value equation and how to analyze a scatterplot.

## Chapter Outline

- 2.1. Finding the Slope and Equation of a Line
- 2.2. Finding the Equation of a Line in Slope-Intercept Form
- 2.3. Standard Form
- 2.4. Finding the Equation of Parallel Lines
- 2.5. Finding the Equation of Perpendicular Lines
- 2.6. Graph a Line in Slope-Intercept Form
- 2.7. Graph a Line in Standard Form
- 2.8. Defining Relations and Functions
- 2.9. Finding the Domain and Range of Functions
- 2.10. Testing Solutions for Linear Inequalities in Two Variables
- 2.11. Graphing Inequalties in Two Variables
- 2.12. Graphing Basic Absolute Value Functions
- 2.13. Using the General Absolute Value Equation and the Graphing Calculator
- 2.14. Plotting a Scatterplot and Finding the Equation of Best Fit
- 2.15. Finding the Equation of Best Fit Using a Graphing Calculator

### Chapter Summary

## Summary

This chapter is all about graphing. First, we will review graphing lines, finding slope, and the equations of parallel and perpendicular lines. Then, we will graphing inequalities in two variables and absolute value equations, learn about functions and domain and range, and scatterplots.

### Image Attributions

## Description

This chapter covers slopes and equations of lines, graphing lines and inequalities, relations and functions, graphing absolute value equations, and analyzing scatterplots.

## Difficulty Level:

At Grade## Tags:

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## Date Created:

Oct 08, 2013## Last Modified:

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