The line l1 l_1\,l1 has gradient 2 and passes through (5,7)(5, 7)(5,7).
Find an equation for l1 l_1\,l1 in the form y=mx+cy = mx + cy=mx+c
l2 l_2\,l2 is perpendicular to l1 l_1\,l1 and passes through (0,1)(0, 1)(0,1)
Find an equation for l2l_2l2.
Practise Edexcel AS Level Maths Straight Line Graphs with exam-style questions for AS Level Maths. 21 questions 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, matched to the Edexcel AS Level Maths (8MA0) specification and written in Paper 1 and Paper 2 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.