Rotations of Shapes Around an Axis

A turn is also called a ___________.

• Translation

• Reflection

• Rotation

• Transformation

A transformation that “turns” a figure about a fixed point at a given angle and a given direction.

• rotation

• translation

• reflection

• dilation

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees around the origin

• Rotate -90 degrees around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees about the origin.

Describe the transformation shown in the graph.

• Reflect over x-axis

• Reflect over y-axis

• Rotate 270 degrees CCW

• Rotate 90 degress CCW

A turn is also called a ___________.

• Translation

• Reflection

• Rotation

• Transformation

Identify the correct picture which represents a 90^o clockwise rotation about the origin.

• 
• 
• 
• 

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees cw around the origin

• Rotate 90 degrees cw around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees ccw about the origin.

What is this picture an example of?

• Reflection

• Translation

• Rotation

• Dilation

If a shape has rotational symmetry of order 3, how many times can it be rotated to map onto itself?

• 5

• 6

• 4

• 3

In the coordinate plane, what are the coordinates of a point after a 90-degree clockwise rotation around the origin?

• (x, -y)

• (-y, x)

• (y, -x)

• (-x, y]