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 Oxford AQA IGCSE Maths Parallel and Perpendicular Lines with exam-style questions for Core and Extended tier. 19 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.