Ch10.4 Rotation

Ch10.4 Rotation

By Li Ying李倩瑩老師

Multiple Choice

A(3, 2) is rotated _______________ about the origin through 90° to A'.

• clockwise

• anticlockwise

Multiple Choice

A(3, 2) is rotated anticlockwise about the origin through 90° to A'.

• (-2,3)

• (3,-2)

• (2,-3)

• (-3,2)

Multiple Choice

R(1,3) is rotated anticlockwise about the origin through 180° to R'.

• (-3,1)

• (-3,-1)

• (-1,3)

• (-1,-3)

Multiple Choice

V(-3,-1) is rotated anticlockwise about the origin through 180° to V’.

• (1,-3)

• (3,1)

• (1,3)

• (3,-1)

Multiple Choice

U(-3,2) is rotated anticlockwise about the origin through 270° to U’.

• (2,3)

• (-2,-3)

• (2,-3)

• (3,2)

Multiple Choice

anticlockwise about O through 270° =

• clockwise about O through 90°

• anticlockwise about O through 90°

Multiple Choice

S(3,-2) is rotated anticlockwise about the origin through 270° to S'.

• (-3,2)

• (3,2)

• (-2,3)

• (-2,-3)

Multiple Choice

B(–1, –4) is rotated anticlockwise through 90° to B’.

• (4,1)

• (4,-1)

• (-4,1)

• (1,-4)

Multiple Choice

C(2, -5) is rotated anticlockwise through 180° to C’.

• (2,5)

• (-2,5)

• (-2,-5)

• (5,-2)

Multiple Choice

F(-9, –15) is rotated anticlockwise through 270° to F’.

• (9,15)

• (-15,9)

• (15,-9)

• (-9,15)

Multiple Choice

Q(-2,-3) is rotated clockwise about the origin through 90° to Q'.

• (2,-3)

• (-3,2)

• (3,-2)

• (-2,3)

Multiple Choice

B(-2,2) is rotated clockwise about the origin through 90° to Q'.

• (2,-2)

• (-2,2)

• (-2,-2)

• (2,2)

Multiple Choice

S(3,-2) is rotated clockwise about the origin through 180° to S'.

• (-3,2)

• (3,2)

• (-2,3)

• (-2,-3)

Multiple Choice

V(-3,-1) is rotated clockwise about the origin through 270° to V’.

• (1,-3)

• (-1,3)

• (1,3)

• (3,-1)

Multiple Choice

A(1, 9) is rotated clockwise through 90° to A’.

• (9,1)

• (-9,1)

• (9,-1)

• (1,-9)

Multiple Choice

D(–6, 3) is rotated clockwise through 180° to D’.

• (6,3)

• (6,-3)

• (3,-6)

• (-3,6)