Write down the equation of the line perpendicular to y=12x−4\displaystyle y = \frac{1}{2}x - 4y=21x−4 which passes through (0,7)(0,7)(0,7). Hence find the coordinates of the point where this line intersects y=4x−5y = 4x - 5y=4x−5
204 exam-style questions on CCEA GCSE Maths Parallel and Perpendicular Lines. Each one has a worked solution and a mark scheme showing where the marks go.