Mathematics for IGCSE & O level - Transformations (Section 5 - No. 42)
If a triangle's vertices are (1, 2), (3, 4), and (5, 2) and are translated by (-2, 3). What is the new location of the vertex (3,4)?
(1, 7)
(5, 7)
(1, 1)
(5, 1)
คำอธิบาย
Applying a vector (a,b) to a point (x,y) equals (x+a, y+b). (3,4) + (-2,3) = (1,7).