IGCSE/GCSE GeoGebra apps

Mark Willis, Aug 24, 2020

Table of Contents

  1. Graphs 1 - Gradient and plotting straight-line graphs
    1. The gradient between two points
    2. y= mx + c.
    3. Parallel lines
    4. Perpendicular lines.
    5. The equation of a line with known point and gradient.
  2. Compound and inverse percentages
    1. Percentage increase and decrease

1.

Graphs 1 - Gradient and plotting straight-line graphs

  • 1. The gradient between two points
  • 2. y= mx + c.
  • 3. Parallel lines
  • 4. Perpendicular lines.
  • 5. The equation of a line with known point and gradient.

1.1.

The gradient between two points

– Mark Willis

1.2.

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1.3.

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1.4.

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1.5.

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2.

Compound and inverse percentages

  • 1. Percentage increase and decrease

2.1.

Percentage increase and decrease

– Mark Willis

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