Question 1: (15 points) (Transformation, homogeneous coordinate systems) Explain
(a) (9 points) Differentiate between Linear and Affine transformations - what is the main
difference based on presentations in the class.
(b) (3 points) What is the value of following homogeneous coordinate system point (.2, .6, .4, .2)
in three dimensions? Explain.
(c) (3 points) What is the main benefit of homogeneous Coordinate system? Explain your
answer.