Mathematics - Coordinate Geometry - Lines

Equation of a line given its slope and y-intercept
Equation of a line given a point and its slope
Equation of a line passing through 2 points
Point of intersection of two lines
Equation of a line passing through a point and parallel to a line
Equation of a line passing through a point and perpendicular to a line
Equation of a line passing through a point and intersection of 2 lines