The points A A\,A and B B\,B have coordinates (2,7)(2, 7)(2,7) and (8,−1)(8, -1)(8,−1) respectively.
Find the length ABABAB.
Find an equation of the perpendicular bisector of ABABAB, giving your answer in the form ax+by+c=0ax + by + c = 0ax+by+c=0, where aaa, b b\,b and c c\,c are integers.
143 exam-style questions on AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane, covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.