### COLLEGE ALGEBRA: AN INVESTIGATIVE
APPROACH

### by

#### S. Kastberg & T. Barron

### Table of Contents

### Lesson 1: WHAT IS A FUNCTION?

### Lesson 2: GRAPHING LINES: X-INTERCEPTS, Y-INTERCEPTS, SLOPES

### Lesson 3: ALGEBRAIC FORMS OF LINEAR FUNCTIONS

### Lesson 4: PIECEWISE LINEAR FUNCTIONS

### Lesson 5: LINEAR SYSTEMS

### Lesson 6: GRAPHING QUADRATIC FUNCTIONS

### Lesson 7: THE QUADRATIC FORMULA