Mathematics GCSE
Direct Proportion
What Direct Proportion means in Mathematics GCSE, as defined for Eduqas.
Definition of Direct Proportion
A relationship where two variables increase or decrease at the same constant rate; their ratio remains constant ($y = kx$).
Topics that use Direct Proportion
- Ratio, proportion and rates of change (Eduqas GCSE)
Related terms
Using Direct Proportion in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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