Which matrix operation is used for scaling?
A). Addition
B). Subtraction
C). Multiplication
D). Division
Which transformation does a skewing matrix perform?
A). Rotation
B). Scaling
C). Shearing
D). Reflection
What happens to a vector multiplied by the zero matrix?
A). It is rotated
B). It is scaled
C). It becomes a zero vector
D). It becomes an identity vector
What is the determinant of a scaling matrix?
A). Always 1
B). Always 0
C). Depends on the scaling factor
D). Always -1
Which matrix operation is used for mirroring?
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
Which matrix operation is used for rotation?
A). Addition
B). Subtraction
C). Multiplication
D). Division
What is the effect of a reflection matrix?
A). Scales the object
B). Moves the object
C). Rotates the object
D). Mirrors the object
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 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]]