Reflections

Front

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

Back

(x, y) → (-x, y)

Front

If a figure is reflected over the y-axis, what happens to its x-coordinates?

Back

The x-coordinates change sign.

Front

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

Back

(x, y) → (x, -y)

Front

If a figure is reflected over the x-axis, what happens to its y-coordinates?

Back

The y-coordinates change sign.

Front

Where will the point (3, 4) be after reflecting across the y-axis?

Back

(-3, 4)

Front

Where will the point (-2, -5) be after reflecting across the x-axis?

Back

(-2, 5)

Front

If triangle ABC is reflected across the y-axis, where will point A (1, 2) be?

Back

(-1, 2)

Front

If point B (4, -3) is reflected across the x-axis, where will it be?

Back

(4, 3)

Front

What is the image of the point (0, 5) when reflected across the y-axis?

Back

(0, 5) (remains unchanged)

Front

What is the image of the point (5, 0) when reflected across the x-axis?

Back

(5, 0) (remains unchanged)