A move that does not change any measurements of a figure. The point where the graph of a line crosses the horizontal axis.

Every point on a figure moves around a center by a given angle
in a specific direction.

Every point in a figure moves a given distance in a given
direction.

A fixed point on a plane that is the starting point from which
we measure distances in a dilation.

A pair of values of the variables that make the equation true.

A translation, rotation, reflection or dilation, or a combination
of these.