Question

Which of the following sets of ordered pairs is not a direct variation?


a,(0, 0); (-2, 4); (3, -6)
b,(1, 1); (-2, -2); (3, 3)
c,(10, 2); (15, 3); (20, 4)
d,(0, 0); (1, 3); (2, 4) please help :(

Answer 1

a,(0, 0); (-2, 4); (3, -6)

Answer 2

thanks:)