Scale Factor
Scale Factor 2
Properties of dilations
Finding the scale factor
100
Point A (3, 7) Scale factor 5, what is Point A'?
(15, 21)
100
Point A (20, 10) was dilated by a scale factor of 1/2. What are the coordinates of A'?
A' (10, 5)
100
Does a dilation with a scale factor of 5/3 make the image enlargement or reduction
enlargement
100
Find the Scale factor.
k=3
200
A(3, 6) Scale factor of 3, what is A'
A' (9, 18)
200
Point A(20, 10) and B(15, 25) was dilated by a scale factor of 1/5. What are the coordinates of A' and B'?
A'(4, 2) and B'(3, 5)
200
The scale factor of 2/3, is it an enlargement or reduction?
reduction
200
Find the scale factor.
k= 1/4
300
E(3, 6) and F(4, 2) Scale factor of 7, what is E' and F'
E'(21, 42) and F'(28, 14)
300
Point A (2,3), Point B (1, -4), and Point C (1, 1) were dilated by a scale factor of 2. What are the coordinates of A', B', C'?
A'(4,6) B'(2, -8) C'(2, 2)
300
Scale factor is 3/2, reduction or enlargement
enlargement
300
Find the scale factor.
k = 4
400
A (12, 6) and the scale factor is 1/2, what is A'?
(6, 3)
400
A(4 , 5) B (1, 2) C( 1, 3), D (9, 6). Scale factor is 6, what is A', B' C', D'?
A'(24, 30), B' (6, 12), C' (6, 18), D' (54, 36)
400
Scale factor of 1/2, enlargement, or reduction
reduction
400
Circle A was dilated to create Circle B. Find the scale factor.
(x,y) → ( 2/5 x, 2/5y)
500
The scale factor is 1/3: A (0, 3), B (3, -6), what is A' and B'?
A' (0, 1), B' (1, -2)
500
Point A (7,3), Point B (1, -4), and Point C (3, 2) were dilated by a scale factor of W. What are the coordinates of B'?
B'(1W, -4W)
500
What operation are you using with the scale factor?
multiply
500
Find the Scale factor
k=3