Translations & Reflections

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

How do you translate a point (x, y) 3 units to the right and 6 units up?

Back

The new coordinates will be (x + 3, y + 6).

Front

What is the result of translating the point (2, 3) 2 units left and 4 units down?

Back

The new coordinates will be (0, -1).

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

If point A is at (1, 2) and is reflected over the y-axis, where is point A' located?

Back

Point A' will be at (-1, 2).

Front

What is the pre-image in a transformation?

Back

The pre-image is the original figure before any transformation is applied.

Front

What is the image in a transformation?

Back

The image is the resulting figure after a transformation has been applied.

Front

Write the rule for translating a point (x, y) 5 units left and 2 units down.

Back

(x, y) --> (x - 5, y - 2).

Front

If a figure is translated 4 units right and 3 units up, what is the translation rule?

Back

(x, y) --> (x + 4, y + 3).