The line l1 l_1\,l1 has the equation 4x−3y+8=04x - 3y + 8 = 04x−3y+8=0
The line l2 l_2\,l2 passes through the coordinates (−2,5)(-2, 5)(−2,5) and (6,−1)(6, -1)(6,−1).
Determine, giving full reasons for your answer, whether l1 l_1\,l1 and l2 l_2\,l2 are parallel, perpendicular or neither.
260 exam-style questions on Edexcel A Level Maths Straight Line Graphs, covering 5.1 y = mx + c, 5.2 Equations of Straight Lines, 5.3 Parallel and Perpendicular Lines, 5.4 Length and Area, and 5.5 Modelling with Straight Lines. Each one has a worked solution and a mark scheme showing where the marks go.