Respuesta :

Answer:

[tex]\frac{1}{2}[/tex]

Step-by-step explanation:

To determine the scale factor evaluate the ratio of the corresponding sides of the image to the original, that is

scale factor = [tex]\frac{AC'}{AC}[/tex] = [tex]\frac{4}{8}[/tex] = [tex]\frac{1}{2}[/tex]