Rotations

Front

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

Back

(x, y) → (-x, -y)

Front

What is the result of rotating the point (2, 3) 90° counterclockwise about the origin?

Back

(-3, 2)

Front

What is the image of the point (4, -1) after a 90° clockwise rotation about the origin?

Back

(-1, -4)

Front

What transformation is represented by (x, y) → (x + 3, y + 2)?

Back

Slide right 3, up 2

Front

What is the image of the point (1, 2) after a 180° rotation about the origin?

Back

(-1, -2)

Front

Which transformation is described by (x, y) → (-y, x)?

Back

90° counterclockwise rotation

Front

What is the image of the point (-3, 4) after a 90° clockwise rotation about the origin?

Back

(4, 3)

Front

What is the result of rotating the triangle with vertices A(1, 1), B(2, 1), C(1, 2) 90° counterclockwise?

Back

A'(-1, 1), B'(-1, 2), C'(-2, 1)

Front

What is the image of the point (0, -5) after a 180° rotation about the origin?

Back

(0, 5)

Front

What is the rule for rotating a point 90° clockwise?

Back

(x, y) → (y, -x)