Identify Rotation

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 90 degrees clockwise

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 270 counterclockwise 

• 90 degrees clockwise

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 90° clockwise?

• (x,y)→(y, -x) 

• (x,y)→(-x,-y)

• (x,y)→(-y,x)

• (x,y)→(x,y)

Triangle B is rotated 90° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?

• (x,y)→(y, -x) 

• (x,y)→(x,y)

• (x,y)→(-x,-y)

• (x,y)→(-y,x)

Rotate the point (5,5) around the origin 180 degrees counterclockwise. State the image of the point.

• (5,-5)

• (5,5)

• (-5,5)

• (-5,-5)

Identify the transformation from B to D.

• 90^o Clockwise Rotation

• 180^o Rotation

• 270^o clockwise Rotation

• 360^o Rotation

Which of the following best describes the rotation shown?

• △S’T’U’ is a 90° rotation of △STU about point P.

• △S’T’U’ is a 180° rotation of △STU about point P.

• △S’T’U’ is a 270° rotation of △STU about point P.

• △S’T’U’ is a 360° rotation of △STU about point P.

Describe the transformation shown in the graph.

• Reflect over x-axis

• Reflect over y-axis

• Rotate 90 degrees CW

• Rotate 90 degress CCW

Rotate the point (-5,8) around the origin 90 degrees clockwise. State the image of the point.

Rule: (x, y) ----- (y, -x)

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

Triangle B is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D