Coordinate Geometry and Matrices

Chapter 2 of Cambridge VCE Mathematical Methods - Coordinate Geometry and Matrices

0:00 - 2A - Linear Equations
2:34 - 2B - Literal Equations
3:54 - 2C - Linear Coordinate Geometry
14:40 - 2D - Applications of Linear Functions
18:16 - 2E - Matrices
26:28 - 2F - The Geometry of Simultaneous Linear equations
27:29 - 2G - Simultaneous equations with more than two variables

Define LibPub cogeo(x1,y1,x2,y2)=
Func
:Disp "d=",√((x2-x1)^(2)+(y2-y1)^(2))
:Disp "mp=(",((x1+x2)/(2)),",",((y1+y2)/(2)),")"
:Disp "m=",((y2-y1)/(x2-x1))
:Disp "θ=",tan(((y2-y1)/(x2-x1)))
:Disp "y=",((y2-y1)/(x2-x1))*x-((y2-y1)/(x2-x1))*x1+y1
:Return "Done"
:EndFunc