The new point of A after the dilation triangle ABC with the scale factor of 2 is A'(-3, 1).
What is scale factor?
Scale factor is the factor which is used to enlarge or smaller the original figure. Scale factor is the ratio of representation measurement of the figure to the original figures.
Dilation of a figure, means the transformation of the figure. The factor by which the given figure dilated, called the scale factor of dilation.
The triangle ABC is dilated by a scale factor of 2. Let, the dilation center is B. Then the point B is fixed in the dilation. Here, the scale factor is 2.
In the graph given, the coordinate points of A are (-2 and 1). As the point B is fixed, thus the y-value does not change.
Here, the length of the AB is 1 unit. It will become 2 after the dilation of scale factor of 2.
Thus, the new point of A after the dilation triangle ABC with the scale factor of 2 is A'(-3, 1).
Learn more about the scale factor here;
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