Reflections

Front

What is a reflection?

Back

A reflection is when you flip or mirror an object across a line.

Front

What axis is the image reflected over if it is reflected across the x-axis?

Back

The image is reflected over the x-axis.

Front

What are the coordinates of point I' if triangle GHI is reflected across the x-axis and point I is at (6, 2)?

Back

The coordinates of I' are (6, 2).

Front

How do you reflect a point C over the y-axis if C is at (3, 2)?

Back

The reflected point C' over the y-axis is (-3, 2).

Front

What is the rule for reflecting a point (X, Y) across the x-axis?

Back

The rule is (X, Y) -> (X, -Y).

Front

What happens to the x-coordinate of a point when it is reflected over the y-axis?

Back

The x-coordinate changes sign.

Front

If point A is at (4, 5), what are the coordinates of A' after reflecting over the x-axis?

Back

The coordinates of A' are (4, -5).

Front

If point B is at (-3, 7), what are the coordinates of B' after reflecting over the y-axis?

Back

The coordinates of B' are (3, 7).

Front

What is the effect of reflecting a shape over the x-axis on its orientation?

Back

The orientation of the shape is reversed vertically.

Front

What is the effect of reflecting a shape over the y-axis on its orientation?

Back

The orientation of the shape is reversed horizontally.