Line A passes through the points (−3,−1)(-3, -1)(−3,−1) and (−1,9)(-1, 9)(−1,9). Line B passes through the points (−2,1)(-2, 1)(−2,1) and (k,4)(k, 4)(k,4). Line A and Line B are perpendicular. Find the value of kkk.
Practise Edexcel GCSE Maths Parallel and Perpendicular Lines with exam-style questions for Foundation and Higher tier. 76 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 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.