The line l1 l_1\,l1 has the equation 4x+3y+2=04x + 3y + 2 = 04x+3y+2=0
The line l2 l_2\,l2 passes through the coordinates (3,9)(3, 9)(3,9) and (7,3)(7, 3)(7,3).
Determine, giving full reasons for your answer, whether l1 l_1\,l1 and l2 l_2\,l2 are parallel, perpendicular or neither.
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.