GCSE Maths - What Does Directly Proportional Mean?

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*** WHAT'S COVERED ***
1. Defining direct proportionality.
2. Representing direct proportion.
* Using the proportionality symbol (∝).
* Plotting directly proportional relationships on a graph.
3. Features of a direct proportion graph.
4. Using direct proportion graphs.
* How to read corresponding values from the graph.

*** EXAM BOARD INFO ***
This video is suitable for maths courses around the world.
KS3 - All on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course
A-level - Not on your course

*** CHAPTERS ***
0:00 Defining Directly Proportional
0:14 Example: Hours Worked vs Amount Earned
0:55 Graphical Representation
1:05 Key Features of the Graph
1:17 Reading Values from the Graph
1:51 Summary

*** PLAYLISTS ***










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