Direct Variation
General Maths Units 1 and 2 (2023+)
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  Learning objectives
  Recap of past learning
  A new symbol: Proportional To
  Changing the proportional sign to an equals sign
  Graphs and Proportionality
  Finding the constant of proportionality (k)
  Not all graphs start as a straight line
  Example 1
  Example 2
  Example 3
  Example 4
  Final words and summary

This is a new video in the series looking at Variation for the Year 11 (VCE Units 1 and 2) General Mathematics course. This content becomes really important as a basis for the learning which will take place in General Maths Units 3 and 4. Looking at the idea of Direction Variation and Proportion we look at how we can find constants of proportionality for straight lines and curves. There are a number of worked examples which show how to apply the theory and they are all explained in an easy to understand way.
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

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