Mathematics 4024 · O Level · Equations of linear graphs

Equations of linear graphs — practice question

Point A is $(3,-2)$, while point B is $(5,4)$.

(a)[3]

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

(b)[1]

State the gradient of a line perpendicular to line AB.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence, $y=3x-11$.” …