Mathematics for IGCSE & O level - Transformations (Section 1 - No. 46)
If the image is reduced, which of the following is true?
The scale factor is 1.
The scale factor is less than 0.
The scale factor is between 0 and 1.
The scale factor is bigger than 1.
Giải thích
Scale factor must be in between 0 and 1 to reduce the image size.