GCSE Maths - What Does Inversely Proportional Mean?

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*** WHAT'S COVERED ***
1. Definition of Inverse Proportionality.
* Understanding the rate of change.
2. Graphical Representation of Inverse Proportionality.
* Recognising the characteristic downward-sloping curve.
* Interpreting points on the graph in context.
3. Algebraic Representation of Inverse Proportionality.
* Expressing the relationship using the proportionality symbol.
* Forming an equation using the constant of proportionality (k).
* Using the inverse proportion equation to find unknown values.

*** 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 Intro & Example
0:25 What is Inverse Proportionality?
0:43 Proportional Change
1:05 Graphical Representation
1:41 Algebraic Representation
2:13 The Equation (Constant of Proportionality)
2:54 Using the Equation (Example 1)
3:11 Using the Equation (Example 2)
3:29 Summary

*** PLAYLISTS ***










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