Rotations in the coordinate plane

Front

What is another word for rotation?

Back

Turn

Front

What do you call an image before a transformation?

Back

Pre-image

Front

What are the coordinates for A' after a 90° rotation clockwise from (1, 3)?

Back

(3, -1)

Front

What is the result of rotating the point (-5, 8) around the origin 270 degrees?

Back

(8, 5)

Front

When a coordinate goes to (-x, -y), what type of rotation is it?

Back

180 degree rotation

Front

What is the rule for a 90° clockwise rotation?

Back

(x, y) → (y, -x)

Front

What is the rule for a 90° counterclockwise rotation?

Back

(x, y) → (-y, x)

Front

What is the rule for a 180° rotation?

Back

(x, y) → (-x, -y)

Front

What is the result of a 360° rotation?

Back

The point remains the same.

Front

If a point (a, b) is rotated 90° clockwise, what are the new coordinates?

Back

(b, -a)