Mathematics for IGCSE & O level - Transformations (Section 6 - No. 47)
If a point is translated by a vector <3, -2>, what is happening to the point?
The point is moving 3 units up and 2 units to the right.
The point is moving 3 units to the right and 2 units down.
The point is moving 3 units down and 2 units to the left.
The point is moving 3 units to the left and 2 units up.
解释
A vector translates a point a units horizontally and b units vertically; <3, -2> represents 3 units right, 2 down.