### Introduction

quadratic functions can be used to model motion involving projectiles, and certain kinds of problem involving a single maximum or minimum.

#### Prerequisites

- be competent at algebraic manipulation
- be familiar with quadratic functions

#### Learning Outcomes

- use quadratic functions to model motion under constant acceleration
- express the equation of a parabola in a general form

#### Contents

1 Quadratic functions1.1 Quadratic functions and parabolas

2 Modelling with parabolas

3 Parabolas and optimisation

4 Finding the equation of a parabola