$\"\"$

From the graph $\"\"$ and $\"\"$ are the side lengths of original figure and image respectively.

The end points of $\"\"$ are $\"\"$ and $\"\"$ .

The end points of $\"\"$ are $\"\"$ and $\"\"$ . $\"\"$

The scale factor of a dilation is the ratio of a side length of the image to the corresponding

side length of the original figure.

Width of the image is $\"\"$

Width of the original figure is $\"\"$

The $\"\"$ . $\"\"$

Scale factor of the dilation is 2 units.