Question

Which set of ordered pairs corresponds to a direct variation?

{(-2,2),(-1,3),(1,5)}
{(-3,2),(4,3),(6,6)}
{(-1,3),(0,0),(1,5)}
{(-4,4),(-1,1),(3,-3)}

Answer 1

(-4,4),(-1,1),(3,-3)

because when they are cut answer is -1/1

Answer 2

(-4,4),(-1,1),(3,-3)
because when they are cut answer is -1/1