PLEASE HELP ME IM SO SERIOUS PLEASEEE SOMEBODY For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. (Hint: you need to find the “k” value)
x
20
30
40
y
2
10
18
PLEASE HELP MEEEEEE

Question

PLEASE HELP ME IM SO SERIOUS PLEASEEE SOMEBODY For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation. (Hint: you need to find the “k” value)
x
20
30
40
y
2
10
18
PLEASE HELP MEEEEEE

anonymous · Answer

y=kx is the formula for direct variation.
2=20k
divide by 20
k=1/10

10=30k
divide by 30
k=1/3

18=40k
divide by 40
k=9/20
So I would have to say no, it does not. Or else k would be constant between all of those.

anonymous · Answer

THANK YOUUUUU SO MUCHHHHHHHHHHHHHHH

anonymous · Answer

Not a problem. That's what we are here for. :3