Translations, Reflections, Rotations

Front

What is a translation in geometry?

Back

A translation is a transformation that moves every point of a figure the same distance in a specified direction.

Front

What happens to the 'y' coordinate when translating an object up?

Back

The 'y' coordinate increases.

Front

What happens to the 'y' coordinate when translating an object down?

Back

The 'y' coordinate decreases.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What is the line of reflection?

Back

The line of reflection is the line over which a figure is reflected.

Front

What is a rotation in geometry?

Back

A rotation is a transformation that turns a figure around a fixed point, called the center of rotation.

Front

What is the angle of rotation?

Back

The angle of rotation is the degree measure of the turn around the center of rotation.

Front

What is the difference between translation and reflection?

Back

Translation moves a figure without changing its orientation, while reflection flips it over a line.

Front

How do you identify a reflection over the y-axis?

Back

In a reflection over the y-axis, the x-coordinates of the points change sign, while the y-coordinates remain the same.

Front

How do you identify a reflection over the x-axis?

Back

In a reflection over the x-axis, the y-coordinates of the points change sign, while the x-coordinates remain the same.