# Algebra 1: Linearity, Slope, & Direct Variation

## 应用说明

Unique… Personalized… Interactive… Engaging

It’s a New Way of Learning and It Starts NOW

Enter the AC VBook library and begin your experience with Linearity, Slope, and Direct Variation. Jump into the world of standards-based textbook content with highly interactive explorations, visual explanations and exercises—all focused on understanding important Algebra concepts.

It’s Algebra like you’ve never seen before.

Learn about it. See it in action. Practice it. Check your understanding. And do it all on your tablet or computer.

Explore the difference between an independent and a dependent variable.

Calculate the average rate of change.

Examine variables and graph a linear function.

Explore and identify the different types of slope.

Understand the difference between constant and varying quantities.

Discover how the constant of variation and slope are connected.

Represent direct variations in tables, equations and statements.

This AC VBook Algebra walks you through the following topics:

The Concept of Linearity
Dependent and Independent Variables
Average Rate of Change
Calculating Average Rate of Change
Linear Relationships
Constant Average Rate of Change
Graphs of Linear Relationships

The Concept of Slope
Average Rate of Change
Graph of a Linear Function
Slope of a Line
Different Types of Slope

Direct Variation
Directly Varying Quantities
Representations of Direct Variation Relationships
Graphs of Direct Variation Relationships
Relationship between the Constant of Variation and Slope