The point A A\,A has the coordinates (−3,−4)(-3,-4)(−3,−4), point B B\,B has the coordinates (k,2)(k,2)(k,2), where k≠−3k\ne-3k=−3.
Find the equation of the perpendicular bisector of AB AB\,AB in terms of kkk
260 exam-style questions on Edexcel A Level Maths Straight Line Graphs, covering 5.1 y = mx + c, 5.2 Equations of Straight Lines, 5.3 Parallel and Perpendicular Lines, 5.4 Length and Area, and 5.5 Modelling with Straight Lines. Each one has a worked solution and a mark scheme showing where the marks go.