Line A passes through the points (1,5)(1, 5)(1,5) and (5,7)(5, 7)(5,7)
Line B passes through the points (−1,7)(-1, 7)(−1,7) and (2,1)(2, 1) (2,1)
Show that Line A and Line B are perpendicular.
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.