Which matrix operation is used for shearing?
A). Addition
B). Subtraction
C). Multiplication
D). Division
What does a rotation matrix for 90 degrees look like?
A). [[1, 0], [0, 1]]
B). [[0, -1], [1, 0]]
C). [[0, 1], [-1, 0]]
D). [[-1, 0], [0, -1]]
How does a shearing matrix affect an object?
A). Stretches it along one axis
B). Changes its orientation
C). Skews it along one axis
D). Rotates it
Which matrix operation is used for scaling?
A). Addition
B). Subtraction
C). Multiplication
D). Division
What does a transformation matrix do?
A). Adds two matrices
B). Multiplies two matrices
C). Divides two matrices
D). Subtracts two matrices
What is the result of multiplying two orthogonal matrices?
A). A diagonal matrix
B). A non-orthogonal matrix
C). An identity matrix
D). A reflection matrix
What happens when you apply a translation matrix?
A). Rotates the object
B). Scales the object
C). Moves the object
D). Skews the object
Which matrix operation is used for mirroring?
A). Addition
B). Subtraction
C). Multiplication
D). Division
What is the result of multiplying an object by the identity matrix?
A). It is rotated
B). It is scaled
C). It is translated
D). It remains unchanged
What does a translation matrix look like?
A). [[1, 0], [0, 1]]
B). [[0, 1], [1, 0]]
C). [[1, 0, tx], [0, 1, ty], [0, 0, 1]]
D). [[1, tx], [ty, 1]]