Which set of ordered pairs has point symmetry with respect to the origin (0, 0)?

Question

(9, 2), (-9, 2)
(9, 2), (-9, -2)
(9, 2), (9, -2)
(9, 2), (2, 9)

Answer 1

(x,y) is symmetric with (-x,-y)

so, what do you think?