GCSE · Straight-line graphs

Finding the equation of a lineExam-style questions

How gradient + one point pins down a unique line, why c comes from substituting the point, and why disguised forms like 2y = 6x + 4 must be rearranged before reading anything off.

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15 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAllLevel 1Level 2Level 3Level 4Level 5
  1. 1
    A line has gradient 22 and passes through (0,5)(0, 5). Write down its equation.
    Level 1 · 1 markTry it
  2. 2
    Write down the equation of the line that is parallel to the xx-axis and passes through (3,−2)(3, -2).
    Level 1 · 1 markTry it
  3. 3
    Does the point (4,9)(4, 9) lie on the line y=2x+1y = 2x + 1? Show how you decide.
    Level 1 · 1 markTry it