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After a dilation with center (0,0), the image of DB is D'B'. 1 DB = 4.5 and D'B' 4.5 and D'B' = 18, the scale factor of this dilation is (1) (3) 12) 5 (4) 4

Respuesta :

Basically

4.5 became 18

The scale factor is the number we multiplied 4.5 by to get 18.

We figure it out by dividing 18 by 4.5:

18 / 4.5 = 4

So, the scale factor is "4".

The answer is (4).

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