Reflections

Front

Reflect (-8, -1) over the y-axis. What will change? the X or the Y?

Back

The x-coordinate changes. The reflected point is (8, -1).

Front

Points G and H are reflected over which axis?

Back

They are reflected over the y-axis.

Front

When you reflect a point over the y-axis, the ____________ changes.

Back

x-coordinate.

Front

When you reflect a point over the x-axis, the _________ changes.

Back

y-coordinate.

Front

If you reflect the point D (5, -1) over the y-axis, what is the reflected point?

Back

D' (-5, -1).

Front

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

Back

The rule is (x, y) -> (-x, y).

Front

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

Back

The rule is (x, y) -> (x, -y).

Front

If a point is at (3, 4), what is its reflection over the x-axis?

Back

The reflection is (3, -4).

Front

If a point is at (-2, 5), what is its reflection over the y-axis?

Back

The reflection is (2, 5).

Front

What happens to the coordinates of a point when it is reflected over both axes?

Back

The coordinates change from (x, y) to (-x, -y).