Skip to content
    Mathematics GCSE

    Linear function

    What Linear function means in Mathematics GCSE, as defined for Pearson Edexcel.

    Definition of Linear function

    Check what you remember

    Read the wording for your board, then hide it and explain Linear function in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: Pearson Edexcel

    In GCSE straight-line graph work, a function written in the form y = mx + c. Direct proportion is the case c = 0.
    Pearson Edexcel · Ratio, proportion and rates of change (study guide)

    Topics that use Linear function

    Related terms

    Using Linear function in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Mathematics questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Mathematics GCSE terms