The point A A\,A has the coordinates (2,5)(2,5)(2,5) The point B B\,B has the coordinates (6,7)(6,7)(6,7)
Show that the mid point of AB AB\,AB is (4,6)(4, 6)(4,6)
Show that the gradient of the line that passes through A A\,A and B B\,B is 12\displaystyle \frac{1}{2}21.
Show that the equation of the perpendicular bisector to AB AB\,AB is y=−2x+14y = -2x + 14y=−2x+14.
130 exam-style questions on Eduqas GCSE Maths Perpendicular Lines and the equation of a tangent. Each one has a worked solution and a mark scheme showing where the marks go.