What does a scaling matrix look like?
A). [[1, 0], [0, 1]]
B). [[0, 1], [1, 0]]
C). [[s, 0], [0, s]]
D). [[0, s], [s, 0]]
Which matrix operation is used for mirroring?
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]]
What is the determinant of a scaling matrix?
A). Always 1
B). Always 0
C). Depends on the scaling factor
D). Always -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 shearing?
A). Addition
B). Subtraction
C). Multiplication
D). Division
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 result of applying two translation matrices successively?
A). The object is scaled
B). The object is rotated
C). The object is translated twice
D). The order of translation does not matter
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]]
Which matrix operation is used for scaling?
A). Addition
B). Subtraction
C). Multiplication
D). Division