The graph that shows a dilation among the given graphs is; Graph 1.
scale factor. What this means is that the ratio of each dilated side to their
respective old sides before dilation must be the same scale factor.
First Graph; We can see it is a rectangle and the pre-dilated image has
2 units along the y - axis and 4 units across the x-axis. After dilation, it now
has 4 units along the y - axis and 8 units across the x-axis. This means the
scale factor in both axis are; 4/2 = 2 and 8/4 = 2. They are both the same
scale factors and as such this graph shows a dilation.
For the second, third and fourth graphs, the scale factors after dilation
are not equal for both axis and as such they do not represent dilation.
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