Mathematics for IGCSE & O level - Transformations (Section 7 - No. 3)
A shape is translated by the vector (2, -3). What does this mean?
Each point on the shape moves 2 units left and 3 units down.
Each point on the shape moves 2 units right and 3 units down.
Each point on the shape moves 2 units left and 3 units up.
Each point on the shape moves 2 units right and 3 units up.
解释
A vector (a, b) means a horizontal movement of 'a' units and a vertical movement of 'b' units.