ENGAGE #17: Translations & Reflections

Front

A rigid motion creates figures that are ____________.

Back

congruent

Front

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

Back

x-coordinate

Front

A rigid motion ...

Back

preserves size and shape

Front

Triangle GHI is reflected across the x-axis. What are the coordinates of I'?

Back

(6, 2)

Front

The result of a transformation is called the __________.

Back

Image

Front

What is a transformation in geometry?

Back

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

Front

What does it mean for figures to be congruent?

Back

Figures that have the same shape and size.

Front

What is the effect of reflecting a point across the x-axis?

Back

The y-coordinate changes sign.

Front

What is the effect of reflecting a point across the y-axis?

Back

The x-coordinate changes sign.

Front

What is the difference between a pre-image and an image?

Back

A pre-image is the original figure, while an image is the result after a transformation.