The line CD CD\,CD passes through the points C(1,8)C(1, 8)C(1,8) and D(−2,k)D(-2, k)D(−2,k).
The gradient of CD CD\,CD is 2.
Work out the value of kkk.
68 exam-style questions on Edexcel GCSE Maths Gradient of a Line. Each one has a worked solution and a mark scheme showing where the marks go.