Show that line 3y−2x=93y - 2x = 93y−2x=9 is perpendicular to line 2y+3x=82y + 3x = 82y+3x=8
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.