Linear relations and modelling

General Maths Units 1 and 2 (2023+)

Welcome

Learning objectives

Recap of past learning

A straight line?

Lots of ways of writing the equation of a straight line

Plotting the points on a straight line graph

Example 1: Plotting the points on a straight line graph

Example 2: Plotting the points of a straight line graph

Using the CAS to draw straight line graphs

Using the CAS to change how much we see

Using the CAS to get a table of values

Positive and negative slopes

Examples of positive and negative slopes

Lines with the same slope

Gradient is a measure of slope

Finding the gradient of a line

Example 2

Final words

This is another video in the Year 11 General Maths (VCE Units 1 and 2) course looking at algebra and linear. Straight line graphs are going to be really important in Year 12 and so I take a look at what a straight line is and how we can draw straight lines by plotting points. I look at the important parts of a straight line such as the y-axis intercept and the slope as well as the concepts behind positive gradients, negative gradients, parallel gradients and how we might be able to find the measure of the slope. There are a number of worked examples which are all well explained. There is even more humour!

LEGAL STUFF (VCAA)

VCE Maths exam question content used by permission, ©VCAA. The VCAA is not affiliated with, and does not endorse, this video resource. VCE® is a registered trademark of the VCAA. Past VCE exams and related content can be accessed at www.vcaa.vic.edu.au

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Drawing straight line graphs and finding their slo
finding the gradient of a slope
parallel slopes
positive slopes
negative slopes
plotting points for straight lines graphs
important parts of a straight line
slope of a straight line
unit 1 and 2 maths
year 11 general maths