AQA Level 2 Further Maths, Chapter 5 · exam-style questions with mark schemes · parallel and perpendicular lines, the distance between two points, the midpoint of a line, equations of straight lines, the intersection of two lines, dividing a line in a given ratio and equations of circles, x2 + y2 = r2 and (x − a)2 + (y − b)2 = r2