Page 6 - Math Course 3 (Book 1)

TABLE OF CONTENTS

Module 3 Linear Equations
Using Functions 74
a. Determining Functions 74
Linear Equations 77
a. Solve and Graph Linear Functions 77
Rates of Change 81
a. Finding Rates of Change 81
Rate of Change and Direct Variation 85
a. Identify Proportional and Nonproportional Relationships 85
b. Solve Problems Involving Direct Variation 87
Slope of a Line 90
a. Finding the Slope of a Line 90
b. Comparing Slopes 92
The Slope-Intercept Form 95
a. Determine Slopes and y-intercepts of Lines 95
b. Graph Equations Using the Slope-Intercept Form 96
Writing Linear Equations 100
a. Writing Equations: Slope and y-intercept 100
b. Writing Equations: Graph, Table, or Two Points 101
Slope-Intercept Form Equations 105
a. Write and Graph Slope-Intercept Form Equations 105
b. Slope-Intercept Form: Real World Data 108

Module 4 Linear Equations: Slope and Direct Variation
Linear Equations: Rate of Change 112
a. Rate of Change: Problem-Solving 112
b. Finding the Slope of a Line 114
Direct Variation Equation 118
a. Write and Graph Direct Variation 118
b. Solving Direct Variation Equation 120
Slope-Intercept Form Equations 124
a. Write and Graph Slope-Intercept Form Equations 124
b. Slope-Intercept Form: Real World Data 127
Equations with Slope and Points on the Line 130
a. Equations Using Slope-Intercept Form 130
b. Equations Using Two Points on the Line 132
Equations in Different Forms 135
a. Equations: Point-Slope Form 135
b. Linear Equations in Different Forms 137
Scatter Plots 140
a. Interpreting Points on a Scatter Plots 140

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