Mathematics 0580 · IGCSE · Equations of linear graphs

Equations of linear graphs — practice question

A coordinate grid displays the straight line labelled $L$.

(a)[2]

Determine the equation of line $L$ in the form $y = mx + c$.

(b)[1]

On the grid, sketch a line that is perpendicular to line $L$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The equation is $y = \frac{1}{3}x + 1$.” …