G7e – Enlargement

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Prerequisites

Part 1 – Enlargement by a positive scale factor (no centre of enlargement)

Teacher resources for Part 1

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Links to past exam questions

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Part 2 – Enlargement by positive and negative scale factors with a centre of enlargement

  • Drag the cross to move the centre of enlargement around
  • Drag the slider to change the scale factor
  • Tick the box to show the enlargement
  • Show/hide the vector from the centre of enlargement to a vertex by simply clicking on the vertex
  • You can use the zoom buttons to zoom in or out, and pan across the grid by clicking and dragging

In the real world

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