Question

12
the best description of a dilation of a figure is
a move of the figure horizontally
a \flip\ of the figure
an expansion or contraction of the figure
a move of the figure vertically

Explanation:

Dilation in geometry refers to resizing a figure. Horizontal or vertical movement is translation. A "flip" is reflection. Dilation is about expanding or contracting (changing size proportionally).

Answer:

an expansion or contraction of the figure