Reflections

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What is the line of reflection?

Back

The line of reflection is the line over which a figure is reflected, creating a mirror image.

Front

What happens to the coordinates of a point (x, y) when reflected over the x-axis?

Back

The coordinates become (x, -y).

Front

What happens to the coordinates of a point (x, y) when reflected over the y-axis?

Back

The coordinates become (-x, y).

Front

What happens to the coordinates of a point (x, y) when reflected over the line y = x?

Back

The coordinates become (y, x).

Front

What happens to the coordinates of a point (x, y) when reflected over the line y = -x?

Back

The coordinates become (-y, -x).

Front

What is the rule for reflecting a point over the line y = k?

Back

The rule is to subtract the distance from the point to the line from the y-coordinate.

Front

What is the rule for reflecting a point over the line x = k?

Back

The rule is to subtract the distance from the point to the line from the x-coordinate.

Front

If a point (3, 4) is reflected over the y-axis, what are the new coordinates?

Back

The new coordinates are (-3, 4).

Front

If a point (2, -5) is reflected over the x-axis, what are the new coordinates?

Back

The new coordinates are (2, 5).