1. Enlargements and area
Scale factor
Area of object
Area of image

2. Enlarge the
shape, using
scale factor 4
and centre of
enlargement
(6,3)

3. Scale factor
Area of object
Area of image 4 2 32

4. Enlarge the
shape, using
scale factor ⅓
and centre of
enlargement
(-6,1)

5. Scale factor
Area of object
Area of image 4 2 32
1/3 27 3

6. Enlarge the
shape, using
scale factor -3
and centre of
enlargement
(3,1)

7. Scale factor
Area of object
Area of image 4 2 32
1/3 27 3 -3 1 9

8. Enlarge the
shape, using
scale factor -½
and centre of
enlargement
(1,1)

9. Scale factor
Area of object
Area of image 4 2 32
1/3 27 3 -3 1 9
-1/2 10
2.5