Question

The following table shows a direct variation.
3 15 18 27
y 5 6 9

Find y.

Answer 1

what is the k?

look at see what is multipled by 2nd row to gt top row?

Answer 2

9 times what gives you 27

Answer 3

3

Answer 4

right, so Y has to be 1

Answer 5

Sweet thanks! i have another one

Answer 6

k

Answer 7

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

(0, 0); (-2, 4); (3, -6)
(1, 1); (-2, -2); (3, 3)
(10, 2); (15, 3); (20, 4)
(0, 0); (1, 3); (2, 4)

Answer 8

look at each one and think: Y times what gives me X
if that what is the same for all three then it IS a direct variation

look at top row last pair - is the problem really 3, -6

Answer 9

its right

Answer 10

ohhh

Answer 11

answere is 1st and last one

Answer 12

the answer is 1