Computer Science - UGC NET 2021 [ Question ID = 2338 ]

Question

What is the transformation matrix M that transforms a square in the xy plane defined by (1, 1), (-1, 1), (-1, -1), (1, -1) to a parallelogram whose corresponding vertices are (2, 1), (0,1), (-2, -1), and (0, -1) ?

• A. 1 1 0
  0 1 0
  0 0 1
   
• B. 1 0 0
  1 1 0
  0 0 1
   
• C. 1 1 1
  0 1 0
  0 0 1
   
• D. 1 1 0
  1 1 0
  0 0 1

Answer 1

b

Answer 2

A

Comments

Can you please explain your answer ? I got confused between Option A and C. How third row and column is added to the final matrix M ?

Answer 3

110

010

001

Comments

I found transformation matrix in 2X2 but how in 3X3 ? I got confused between Option A and C. How third row and column is added to the final matrix M ?