Key notes containing: - Linear graphs fundamentals ( gradient, equations of a line, perpendicular & parallel lines, distance between points, perpendicular bisectores ) - Modelling example Simultaneous equations ( substitution vs elimination, intersections, quadratic ) - drawing quadratic graphs - circles ( equation of a circle ( completing the square ), intersections of lines and circles, tangents, chords, perpendicular bisectors) - example of how to determine the circle centre - triangle...