BezierInfo-2/docs/images/snippets/explanation/7f74178029422a35267fd033b392fe4c.ascii

 
linear= (1-t) + t                                        
             2                      2
square= (1-t)  + 2  · (1-t)  · t + t                     
             3             2                       2    3
 cubic= (1-t)  + 3  · (1-t)   · t + 3  · (1-t)  · t  + t