Transformations

Front

Definition: The figure before a transformation has occurred.

Back

Pre-image

Front

Determine where X' would be if you translated X 3 units to the left and 9 units down: X(1, 4)

Back

(-4, -5)

Front

What does a translation do to an image?

Back

Slides it

Front

Reflecting over the y-axis changes the sign of the ____-_____________.

Back

x-coordinate

Front

What is Dilation?

Back

Dilation means to enlarge or reduce.

Front

What is a Transformation?

Back

A change in the position, size, or shape of a figure.

Front

What is the result of a reflection?

Back

A mirror image of the original figure.

Front

What is the difference between a translation and a reflection?

Back

Translation slides the figure, while reflection flips it over a line.

Front

What is the center of dilation?

Back

The fixed point in a dilation from which all points are expanded or contracted.

Front

If a figure is translated 5 units up, what happens to its coordinates?

Back

The y-coordinates increase by 5.