# Introduction to Linear Functions and Graphs

- Author:
- Lew W.S.

- Topic:
- Functions, Function Graph, Linear Functions

This book is for self directed learning of graphs of linear functions

## Table of Contents

### Introduction to Concept of Functions

### Graphing Linear Functions

### Concept of Gradient

### Functions in Gradient Intercept form y = mx + c

- Relating a Linear Graph to its equation(function) in gradient and intercept form
- Slope and Y Intercept of Straight Line & its Equation
- Steps in Finding Equation of Straight Lines 求直線方程的步驟
- Gradient and y intercept of y = mx + c, ax + by = c, ax + by + c = 0
- Reading Slopes from Equation of Straight Lines 由直線方程讀取斜率
- Gradient Intercept Form of Equation of line (linear function)

### Application of linear graphs in real world contexts