Show that line 2y=5x+102y = 5x + 102y=5x+10 is perpendicular to line 5y=−2x+155y = -2x + 155y=−2x+15
130 exam-style questions on Eduqas GCSE Maths Perpendicular Lines and the equation of a tangent. Each one has a worked solution and a mark scheme showing where the marks go.