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Financial Maths

- Investigating an ESB bill.

Use the following GeoGebra file and student worksheet to learn about electricity bills. 


Instructions:

  1. Move the slider for 'Standing charge in Euros' and observe the changes to the graph.
  2. Move the slider for 'Units used' and observe the points on the graph.
  3. Move the slider for 'Unit cost in Euros' and observe the changes to the graph.
  4. Complete the student activity sheet.

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