Rules of Rigid Transformations

Front

What is a rigid transformation?

Back

A rigid transformation is a transformation that preserves the shape and size of a figure. Examples include translations, rotations, and reflections.

Front

What is the rule for reflecting a point across the x-axis?

Back

The rule for reflecting a point across the x-axis is (x, -y).

Front

What is the rule for reflecting a point across the y-axis?

Back

The rule for reflecting a point across the y-axis is (-x, y).

Front

What is the rule for reflecting a point across the line y = x?

Back

The rule for reflecting a point across the line y = x is (y, x).

Front

What is the rule for reflecting a point across the line y = -x?

Back

The rule for reflecting a point across the line y = -x is (-y, -x).

Front

If Point P is at (2, 3), what are the coordinates after reflecting across the x-axis?

Back

(2, -3)