8.10C Transformations-Rotations

Front

What is the rule for a 90° clockwise rotation?

Back

(x, y) → (y, -x)

Front

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

Back

(3, -1)

Front

What is the rule for a 180° rotation (clockwise or counter-clockwise)?

Back

(x, y) → (-x, -y)

Front

What is the transformation rule for a 90° counter-clockwise rotation?

Back

(x, y) → (-y, x)

Front

If a point (x, y) is rotated 180°, what are the new coordinates?

Back

(-x, -y)

Front

What is the transformation rule for a 90° clockwise rotation?

Back

(x, y) → (y, -x)

Front

What is the transformation rule for a 90° counter-clockwise rotation?

Back

(x, y) → (-y, x)

Front

What happens to the coordinates of a point (x, y) after a 180° rotation?

Back

They become (-x, -y)

Front

If a point (2, 5) is rotated 90° clockwise, what are the new coordinates?

Back

(5, -2)

Front

If a point (4, -3) is rotated 90° counter-clockwise, what are the new coordinates?

Back

(-3, -4)