Quadratic sequences, powers – equating co-efficients by equating base numbers, factorising the difference of two squares, direct and inverse proportion, Solving quadratics; factorising, completing the square, simplifying algebraic fractions, Simultaneous equations – linear and quadratic, recognise, sketch and produce graphs of linear and quadratic functions, linear equations y = mx + c, identifying parallel and perpendicular lines, 3D co-ordinates, circles, Vectors, transformations: translations, reflections, rotations and enlargements, Functions, rationalising surds