The line l1 l_1\,l1 has equation y=3x−7y = 3x - 7y=3x−7.
The line l2 l_2\,l2 is perpendicular to l1 l_1\,l1 and passes through the point (6,2)(6, 2)(6,2).
Find an equation for l2l_2l2, giving your answer in the form y=mx+cy = mx + cy=mx+c.
76 exam-style questions on WJEC A Level Maths 1.3 Coordinate geometry in the (x, y) plane, covering 1.3.1 Coordinate geometry in the (x, y) plane, 1.3.2 Coordinate geometry in the (x, y) plane, 1.3.3 Coordinate geometry in the (x, y) plane, and 1.3.4 Coordinate geometry in the (x, y) plane. Each one has a worked solution and a mark scheme showing where the marks go.