Vector
A quantity that has size and direction
Magnitude
Size or length of a vector (always positive and can be found using pythagoras)
Column
One above the other
Direction
The path travelled
Resultant
The vector created by adding other vectors together
Scalar multiple
The result of multiplying a vector by a scalar (a number)
Proof
A chain of reasoning that shows something is true
Scalar
A real number (normally an integer or fraction)
Parallel
Lines or vectors that never touch
Co linear
Vectors that are multiples of each other and share a point