Find the gradient of the line that passes through (−k,4)(-k, 4)(−k,4) and (5,8)(5, 8)(5,8), giving your answer in terms of kkk, where k≠−5k \ne -5k=−5.
215 exam-style questions on OCR GCSE Maths Gradient of a Line. Each one has a worked solution and a mark scheme showing where the marks go.