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A triangle with vertices at A(20, -30), B(10.-15), and C(5,-20) has been dilated with a center of dilation at the origin.
The image of B, point B', has the coordinates (2, -3). What is the scale factor of the dilation?
10
o
5
е
10

Respuesta :

Answer:

scale factor = [tex]\frac{1}{5}[/tex]

Step-by-step explanation:

Consider the ratio of corresponding coordinates of the image to original, that is

scale factor = [tex]\frac{2}{10}[/tex] = [tex]\frac{-3}{-15}[/tex] = [tex]\frac{1}{5}[/tex]