Rotations

Front

What is the rule for rotating a point 180° clockwise around the origin?

Back

(x,y)→(-x,-y)

Front

What is the image of the point (-5,8) when rotated 180 degrees counterclockwise around the origin?

Back

(5,-8)

Front

Which symbol represents two moves in a transformation?

Back

''

Front

What is the name of the figure before the rotation?

Back

Pre-Image

Front

What is the center of rotation on a coordinate plane?

Back

Origin

Front

What happens to the coordinates of a point when it is rotated 90° clockwise?

Back

(x,y)→(y,-x)

Front

What happens to the coordinates of a point when it is rotated 90° counterclockwise?

Back

(x,y)→(-y,x)

Front

What is the effect of rotating a point 360° around the origin?

Back

The point remains in the same position.

Front

If a point (a,b) is rotated 180° around the origin, what are the new coordinates?

Back

(-a,-b)

Front

What is the difference between pre-image and image in transformations?

Back

Pre-image is the original figure; image is the figure after transformation.