Key term for Edexcel GCSE Mathematics, used in Ratio and Proportion Fundamentals.
Another term for direct proportion, often phrased as 'varies directly as' in exam questions.
Direct variation appears in Edexcel GCSE Mathematics revision content for Ratio, Proportion and Rates of Change, especially Ratio and Proportion Fundamentals and Direct and Inverse Proportion.
Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.
