Question 2
Which of the following equations model direct variation?

a) y + x = 0 b) y - 1 = 3x c) x/y + 2 =1 d) y/x - 6 = -

step-by-step explanation:

y=x+9

?

step-by-step explanation:

5

10

15

20

25

30

35

40

45

50

55

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)