Linear relations

Essential Mathematics Year 9

Lesson notes

Chapters

Introduction

Welcome

Learning objectives

Recap: Cartesian Planes and Coordinates

RECAP: Intercepts

Finding intercepts using algebra

Joining the points to make a line

Different ways to express a straight line

Intercept form of a straight line

Example 1

Example 2

Extension: Finding the rule from just two points

Final words and summary

Description

Linear relationships is a massive part of the Year 9, 10, 11 and 12 courses. Being able to draw graphs is going to be really important. This next video in the series will show you how to draw straight lines from intercepts. This really easy concept seems to confuse many students, so hopefully this video will help you. There are lots of worked examples and explained using plain English and lots of humour. Why not try something different.

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