Congruent in all three cases.
9
It is the figure before any transformation was applied to it.
Dilation.
No it makes the figure bigger or smaller than the original
Line of symmetry
9
An enlargement but the angle sizes will remain the same.
The transformation process is an 'enlargement'
An isometry is a transformation in which the original figure and its image are congruent. Shape remains constant as size increases.
An enlargement. In general, a non-linear transformation.
A translation of 4 units to the right followed by a dilation of a factor of 2
It is the figure before any transformation was applied to it.
Preimage
Isometry
Original or unformed
Dilation.
What is a preimage. (The new figure is called the image.)