Transformations Review

Front

What is a translation?

Back

When you move or slide a polygon from one place to another.

Front

What are the coordinates for A' after a 90° rotation clockwise if A is at (1, 3)?

Back

(3, -1)

Front

What is a dilation?

Back

When you enlarge or reduce a polygon.

Front

Translations, reflections, rotations, and dilations are all known as _____________.

Back

transformations

Front

Dilate Point B (4, 3) by a scale factor of 3. What are the new coordinates?

Back

(12, 9)

Front

What is a reflection in geometry?

Back

Flipping a shape over a line to create a mirror image.

Front

What is a rotation in geometry?

Back

Turning a shape around a fixed point.

Front

What is the scale factor in dilation?

Back

The ratio of the size of the image to the size of the original shape.

Front

What are rigid transformations?

Back

Transformations that preserve the shape and size of a figure (translations, rotations, reflections).

Front

What is the effect of a 180° rotation on the coordinates (x, y)?

Back

(x, y) → (-x, -y)