- Coordinate Geometry
- Coordinates of a point
- Distance: vertical & horisontal
- Distance (length of segment)
- Distance formula
- Midpoint of a line segment
- Midpoint formula
- Slope of a line
- Slope formula
- A point on a line
- Equation of a line: y-intercept
- Equation of a line: two points
- Angle of inclination
- Slopes: parallel & perpendicular lines
- Equation of a circle: (0, 0) as centre
- Equation of a circle: any centre
- Tangent to a circle
