Mathematics 0580 · IGCSE · Equations of linear graphs

Equations of linear graphs — practice question

A straight line $l$ appears on the coordinate grid.

(a)[3]

Find the equation of the line $l$. Express your answer in the form $y = mx + c$.

(b)[1]

Draw a second straight line on the diagram that passes through $(-1, 1)$ and runs parallel to the line $l$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct equation is $y=-2x+3$” …