Reflections over x-axis , y-axis, y=x, y=-x

In geometry, what is a reflection?

• A transformation that changes the size of a figure.

• A mirror image of a figure.

• A transformation that changes the shape of a figure.

• A movement of a figure without changing its orientation.

Which of the following properties is preserved during a reflection?

• Size

• Orientation

• Position

• Direction

What notation is used to indicate a reflection about a given line of symmetry?

• R

• r

• T

• t

What are the coordinates of the image of point P(5,4) after a reflection over the x-axis?

• P'(5,4)

• P'(-5,4)

• P'(5,-4)

• P'(-5,-4)

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A point Q is located at (0,7). If Q is reflected over the line y=3, what are the coordinates of its image, Q'?

• (0, -1)

• (0, 1)

• (0, 3)

• (0, 7)

What is the reflection rule for a point P(x,y) reflected over the line y=x?

• P'(x, -y)

• P'(-x, y)

• P'(y, x)

• P'(-y, -x)

What is the reflection rule for a point P(x,y) reflected over the line y=-x?

• P'(x, -y)

• P'(-x, y)

• P'(y, x)

• P'(-y, -x)

In geometry, what is a reflection?

• A transformation that slides a figure without changing its orientation.

• A transformation that turns a figure around a fixed point.

• A mirror image of a figure across a specified line of symmetry.

• A transformation that changes the size of a figure.