Will Fan and Medal....Help ASAP!

http://prntscr.com/ace57g

Question

Will Fan and Medal....Help ASAP!

http://prntscr.com/ace57g

k12awesomeness · Answer

@jchris25

k12awesomeness · Answer

@welshfella

welshfella · Answer

y = kx is direct variation where  k is the constant of variation
so plug in y = 6 and x = 4 into this equation 
6 = k*4

solve this for k

k12awesomeness · Answer

??

welshfella · Answer

can you do that?

Hint: divide both sides by 4

k12awesomeness · Answer

i'm confused

k12awesomeness · Answer

now, divide what by 4 ???

welshfella · Answer

you need to isolate k . You do this by dividing  both sides of the equation by 4. 
This will give you some value = k
This value is ur answer

k12awesomeness · Answer

i'm still stumped and i don't know where (k) came from

welshfella · Answer

k is the constant of variation that you are asked to find the valu of.  We could have used any  letter but  k is the one usually used for these questions.

k12awesomeness · Answer

ohh, okay.

welshfella · Answer

so we have

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