Rotations

Front

What is the result of rotating the point (-3,-4) around the origin 180 degrees?

Back

(3,4)

Front

What is the new location of triangle C after a 180° clockwise rotation around the origin?

Back

Triangle A shows the new location.

Front

Is the image A'B'C' a rotation of triangle ABC?

Back

False

Front

What is the coordinate of point A' after rotating ABCD 90° counterclockwise about the origin if A is at (3,5)?

Back

(-5, 3)

Front

What transformation rule describes a 90° counterclockwise rotation around the origin?

Back

(x,y)→(-y,x)

Front

What is the general rule for rotating a point (x,y) 180 degrees around the origin?

Back

(x,y)→(-x,-y)

Front

How do you determine the new coordinates of a point after a 90° clockwise rotation around the origin?

Back

(x,y)→(y,-x)

Front

What is the effect of a 180° rotation on the orientation of a shape?

Back

The orientation of the shape is reversed.

Front

If a triangle is rotated 90° clockwise, what is the transformation rule?

Back

(x,y)→(y,-x)

Front

What is the relationship between the original figure and its image after a 180° rotation?

Back

The image is directly opposite the original figure across the origin.