8.G.A.3: Definitions, Key Concepts & Examples

Front

Dilation

Back

Resizing a figure without changing its shape.

Front

Translation

Back

Sliding a figure without rotating or flipping it.

Front

Rotation

Back

Turning a figure around a point.

Front

Reflection

Back

Flipping a figure over a line.

Front

Coordinate Plane

Back

A plane with a horizontal and vertical axis.

Front

Origin

Back

Point (0,0) on the coordinate plane.

Front

Scale Factor

Back

Ratio of the size of the image to the original.

Front

Image

Back

The result of a transformation.

Front

Pre-image

Back

The original figure before transformation.

Front

Congruent

Back

Figures that are the same size and shape.