# Chapter 7: Equations, Inequalities and Functions

Difficulty Level:

**At Grade**Created by: CK-12

### Introduction

In this chapter, students will engage with the following concepts: writing expressions and equations, simplifying expressions, solving one-step equations, solving two-step equations, solving inequalities, identifying and understanding functions and graphing functions.

## Chapter Outline

- 7.1. Addition and Subtraction Phrases as Equations
- 7.2. Multiplication and Division Phrases as Equations
- 7.3. Single Variable Equations from Verbal Models
- 7.4. Simplify Sums or Differences of Single Variable Expressions
- 7.5. Simplify Products or Quotients of Single Variable Expressions
- 7.6. Simplify Variable Expressions Involving Multiple Operations
- 7.7. Single Variable Addition Equations
- 7.8. Single Variable Subtraction Equations
- 7.9. Single Variable Multiplication Equations
- 7.10. Single Variable Division Equation
- 7.11. Two-Step Equations from Verbal Models
- 7.12. Two-Step Equations and Properties of Equality
- 7.13. Inequalities on a Number Line
- 7.14. Two-Step Inequalities
- 7.15. Domain and Range of a Function
- 7.16. Input-Output Tables for Function Rules
- 7.17. Graphs of Linear Equations
- 7.18. Linear and Non-Linear Function Distinction
- 7.19. Linear and Non-Linear Patterns of Change

### Chapter Summary

### Image Attributions

## Description

This chapter covers: writing expressions and equations, simplifying expressions, solving one-step equations, solving two-step equations, solving inequalities, identifying and understanding functions and graphing functions.

## Difficulty Level:

At Grade## Subjects:

## Grades:

## Date Created:

Nov 30, 2012## Last Modified:

Sep 23, 2015**You can only attach files to chapter which belong to you**

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