Describe Rotations

What is the angle of rotation for this counterclockwise rotation about the origin?

• 90°

• 180°

• 270°

• 360°

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 90 degrees clockwise

• This is not a rotation, its a translation

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 90 degrees clockwise

• This is not a rotation

Rotate the point (-5,1) around the origin 270 degrees counterclockwise. State the image of the point.

• (-1, 5)

• (1, -5)

• (1, 5)

• (5, -1)

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)

Which rule describes rotating 180° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Which rule describes rotating 90° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

In what quadrant will an image be if a figure is in Quadrant III and is rotated 90 degrees clockwise?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

In what quadrant will an image be if a figure is in Quadrant II and is rotated 180 degrees clockwise? _

• Quadrant IV

• Quadrant III

• Quadrant II

• Quadrant I

In what quadrant will an image be if a figure is in Quad I and is rotated 90 degrees counterclockwise?

• Quadrant I

• Quadrant III

• Quadrant II

• Quadrant IV