Question

What are the coordinates of point C after a 180 degrees rotation about the origin?

A. (-4, 3)
B. (3, 4)
C. (-3, -4)
D. (3, -4)

Answer 1

D (3, - 4)

under a rotation of 180° about the origin

a point (x, y ) → (- x, - y ) thus

C(- 3, 4 ) → (3, - 4 )