Which matrix operation is used for scaling?
A). Addition
B). Subtraction
C). Multiplication
D). Division
What does the identity matrix do?
A). Scales the object
B). Moves the object
C). Rotates the object
D). Leaves the object unchanged
How do you combine transformation matrices for multiple operations?
A). Add them together
B). Multiply them in reverse order
C). Multiply them in the given order
D). Divide them
Which transformation does a skewing matrix perform?
A). Rotation
B). Scaling
C). Shearing
D). Reflection
What is the effect of a reflection matrix?
A). Scales the object
B). Moves the object
C). Rotates the object
D). Mirrors the object
Which matrix operation is used for rotation?
A). Addition
B). Subtraction
C). Multiplication
D). Division
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]]
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 negative determinant affect a transformation?
A). Inverts the transformation
B). Scales the transformation
C). Reflects the transformation
D). Rotates the transformation
What is the determinant of a scaling matrix?
A). Always 1
B). Always 0
C). Depends on the scaling factor
D). Always -1