Translations

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 are the coordinates of a point after a translation of (x,y) to (x+3, y-2)?

Back

The new coordinates will be 3 units to the right and 2 units down from the original point.

Front

What is the term for the original figure before a transformation?

Back

Pre-image.

Front

What is the term for the figure after a transformation?

Back

Image.

Front

If point K is reflected over the x-axis, what happens to its y-coordinate?

Back

The y-coordinate changes sign.

Front

If triangle ABC is translated down 9 and right 4, what is the transformation rule?

Back

(x+4, y-9).

Front

How do you find the new coordinates of a point after a translation?

Back

Add the translation values to the original coordinates.

Front

What is the effect of reflecting a point over the y-axis?

Back

The x-coordinate changes sign.

Front

What does it mean to reflect a figure over a line?

Back

It means to create a mirror image of the figure across that line.

Front

What is the transformation rule for moving a point 5 units left and 3 units up?

Back

(x-5, y+3).