Mathematics 0580 · IGCSE · Equations of linear graphs

Equations of linear graphs — practice question

(a)[3]

Calculate the angle made by line $AB$ with the $x$-axis.

(b)[3]

Find the equation of the line through $P$ that is perpendicular to $PQ$. Present your answer in the form $y = mx + c$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Right trigonometric ratio

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