Reflections on Coordinate Plane

Front

What is the reflection of point (-5, 2) across the y-axis?

Back

(5, 2)

Front

Reflect Point C over the y-axis: (-3, 2)

Back

(-3, 2)

Front

What is a reflection?

Back

When you flip or mirror an object across a line.

Front

What is the reflection of point (3, 5) across the x-axis?

Back

(3, -5)

Front

What is the reflection of point (1, -3) across the x-axis?

Back

(1, 3)

Front

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

Back

The reflection is (-x, y).

Front

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

Back

The reflection is (x, -y).

Front

If point A is at (4, -1), what is its reflection across the y-axis?

Back

(-4, -1)

Front

If point B is at (-2, 3), what is its reflection across the x-axis?

Back

(-2, -3)

Front

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

Back

The x-coordinate changes sign.