Equations of parallel lines The equation of a straight line is 𝑦 = 𝑚𝑥 + 𝑐 where 𝑦 is the subject of the equation, 𝑚 is the gradient , and 𝑐 is the 𝑦-intercept .

Q11 covers perpendicular bisectors and perpendiculars that cut a line segment in a given ratio. Free linear equation worksheet The practice questions on these teaching resources have been designed to ...

To write the equation of a line it is necessary to know the slope and the y intercept. There are three possibilities which depend on the data available.