Which equations show direct variation between x and y?

Choose all answers that are correct.

A. 3x=y

B.y=4.2/x

C. y/x=6

D. y=0.5

Question

Which equations show direct variation between x and y?
 
Choose all answers that are correct.
 
 A. 3x=y
 
 
 B.y=4.2/x
 
 
 C. y/x=6
 
 
 D. y=0.5

anonymous · Answer

2 medals who ever helps

nnesha · Answer

what's the equation for direct variation ?

anonymous · Answer

i don't know the equation for the direct variation DIRECTLY

nnesha · Answer

$$\huge\rm y = kx $$
equation for direct variation 
where k is constant of variation

anonymous · Answer

BUT their no k

nnesha · Answer

k is multiplying with x

nnesha · Answer

yes there is a k
:-) not the variable but values 
anything with x is k

nnesha · Answer

for C you have to solve that equation for y

anonymous · Answer

so it's c or solve it

nnesha · Answer

did i say it's C ??
i said you have to solve c  option for y

anonymous · Answer

sorry um x=y/6

nnesha · Answer

|dw:1429376737781:dw|
 get y by itself    
not x

nincompoop · Answer

$y = kx \rightarrow kx = y \rightarrow 3x =y $