Mathematics for IGCSE & O level - Transformations (Section 2 - No. 32)
If the coordinates of a point are (3, -2), and it is enlarged by a scale factor of 2, what are the new coordinates (assuming center of enlargement is the origin)?
(6, -2)
(3, -4)
(6, -4)
(-6, -4)
Giải thích
Multiply both coordinates by the scale factor.