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 AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane with exam-style questions for A Level Maths. 110 questions covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only), matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 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.