

1. 
A transformation in which the image of a figure is larger or smaller is a_________. 


A. 
translation 
B. 
rotation 


C. 
reflection 
D. 
dilation 


Hint 


2. 
The endpoints of are P(4, 6) and Q(2, 8). If is transformed by a scale factor of 2.5, what are the coordinates of the endpoints of ? 


A. 
P'(10, 15), Q'(5, 20) 
B. 
P'(1.6, 2.4), Q'(0.8, 3.2) 


C. 
P'(10, 15), Q'(5, 20) 
D. 
P'(8, 12), Q'(4, 16) 


Hint 


3. 
Determine the scale factor used in the dilation of a figure if vertex A(9, 18) has the image A'(6, 12). 


A. 

B. 



C. 

D. 



Hint 


4. 
Find the coordinates of the dilation image for with vertices D(1, 1), E(2, 5), and F(3, 2) for the scale factor 3. 


A. 



B. 
D'(4, 4), E'(1, 2), F'(0, 5) 


C. 
D'(2, 2), E'(5, 8), F'(6, 1) 


D. 
D'(3, 3), E'(6, 15), F'(9, 6) 


Hint 


5. 
Graph the image of if the scale factor is . 





A. 



B. 



C. 



D. 



Hint 


