Geometric

Which is a complete and accurate description of the transformation pictured?

• Rotation 90 degrees counterclockwise about the origin

• Rotation 180 degrees about the origin

• Rotation 90 degrees clockwise about the origin

• None of these

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

Triangle A 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

Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

How many degrees was the figure rotated around the origin?

• 90 degrees counterclockwise

• 180 degrees

• 270 counterclockwise

• 90 degrees clockwise

Which rule describes a 180° clockwise rotation about the origin?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

How many degrees does this shape rotate counterclockwise about the origin?

• 90°

• 180°

• 270°

• 360°

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)

A rotation preserves:

• Similarity

• Congruence

• None of these

• Orientation

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

• A

• B

• C

• D