Mathematics 0580 · IGCSE · Equations of linear graphs

Equations of linear graphs — practice question

(a)[3]

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

(b)[2]

Determine the acute angle between $AC$ and the $x$-axis.

(c(i))[3]

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

(c(ii))[2]

Determine the coordinates of $D$.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The equation $y=4x+5$ is correct” …