What is the scale factor used to create dilation? A. 2 B. -2 C. -1/2 D. 1/2

QUESTION POSTED AT 18/04/2020 - 07:14 PM

Answered by admin AT 18/04/2020 - 07:14 PM

The answer is A. Since the original shape is smaller, you know that the scale factor has to be greater than one. Also, looking at an individual point, point A was originally (1,1) but changed to (2,2). This means that the point had to be multiplied by a scale factor of 2. 
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