11.1 Reflections and Translations

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 a translation in geometry?

Back

A translation is a transformation that moves a figure from one location to another without changing its shape or orientation.

Front

When translating a shape up or down, which coordinate is affected?

Back

The y-coordinate is affected.

Front

When translating a shape left or right, which coordinate is affected?

Back

The x-coordinate is affected.

Front

What is the algebraic representation of a translation 3 units right and 2 units down?

Back

(x, y) --> (x + 3, y - 2)