Reflection and Translation

Front

What is a translation in geometry?

Back

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

Front

How do you describe the translation of a shape?

Back

You describe a translation by specifying the direction and distance each point moves, such as '3 units up' or '5 units left'.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a shape 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 shape is reflected, where each point of the shape is equidistant from the line.

Front

What happens to the coordinates of a point (x, y) when it is reflected over the y-axis?

Back

The coordinates become (-x, y).

Front

What happens to the coordinates of a point (x, y) when it is reflected over the x-axis?

Back

The coordinates become (x, -y).

Front

What is the difference between translation and reflection?

Back

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

Front

True or False: A shape can be both translated and reflected at the same time.

Back

True.

Front

What is the effect of translating a shape 6 units down and 3 units left?

Back

The shape moves down vertically by 6 units and horizontally to the left by 3 units.

Front

What is the result of reflecting a shape over the x-axis?

Back

The y-coordinates of all points of the shape are inverted.