The line AB AB\,AB passes through the points A(−2,k)A(-2, k)A(−2,k) and (4,8)(4, 8)(4,8).
The gradient of AB AB\,AB is -2.
Work out the value of kkk.
Practise Edexcel IGCSE Maths Gradient of a Line with exam-style questions for IGCSE Maths. 12 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.