REVISION NOTES

IGCSE Edexcel Mathematics A

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2.5 Proportion (Higher Tier Only)

2.5.1 Set up problems involving direct or inverse proportion and relate algebraic solutions to graphical representation of the equations (Higher Tier Only)

edexcel_igcse_mathematics a_topic 16_proportions_001_Direct Proportion
edexcel_igcse_mathematics a_topic 16_proportions_002_Inverse proportion
edexcel_igcse_mathematics a_topic 16_proportions_003_Graphical Repsresentation