Geometry Transformations Review

Front

When you translate, (x-4,y) will move _____?

Back

4 units left.

Front

A transformation that 'turns' a figure about a fixed point at a given angle and a given direction is called?

Back

Rotation.

Front

What is the original figure prior to a transformation called?

Back

Pre-image.

Front

What is the transformation that flips a figure over a line called?

Back

Reflection.

Front

What is the transformation that slides a figure from one position to another without changing its shape or size?

Back

Translation.

Front

What is the term for a transformation that enlarges or reduces a figure?

Back

Dilation.

Front

If a figure is rotated 90 degrees clockwise, what happens to its coordinates?

Back

The coordinates (x,y) become (y,-x).

Front

What is the result of reflecting a point (x,y) over the x-axis?

Back

The new point is (x,-y).

Front

What is the result of reflecting a point (x,y) over the y-axis?

Back

The new point is (-x,y).

Front

What is the term for the image after a transformation?

Back

Image.