"A Chemical Engineer with an MBA as your tutor."
...Coordinate Geometry (a) The Length, Midpoint, Gradient of a line joining two points. (b) The Standard and General forms of a straight line equation (c) Finding the equation of a straight line, given the gradient and one point or two points on the line. (d) Point of Intersection of lines (e) Angle between two straight lines (f) Parallel and perpendicular...
10+ subjects, including calculus