(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 $y = mx + c$.
Mathematics 0580 · IGCSE · Equations of linear graphs
Calculate the angle made by line $AB$ with the $x$-axis.
Find the equation of the line through $P$ that is perpendicular to $PQ$. Present your answer in the form $y = mx + c$.