Vector Equation of Straight Lines
Passes through a point & parallel to a vector
Equation for a line that:
- passes through
- is parallel to
Parametric equation
Symmetric equation
Passes through 2 points
Equation of a line passes through
Parametric equation
Symmetric equation
Normal to 2 lines
Let
Here
Normal to both lines:
Angle between 2 straight lines
Using the
Here
Shortest distance to a point
Suppose