SOLUTION: #38 find the variation constant and equation of variation where y varies directly as x and y=8 when x=2 k= y= i need help this just doesnt make sense to me at all!!!!

Algebra ->  Equations -> SOLUTION: #38 find the variation constant and equation of variation where y varies directly as x and y=8 when x=2 k= y= i need help this just doesnt make sense to me at all!!!!      Log On


   

Question 553810: #38
find the variation constant and equation of variation where y varies directly as x and y=8 when x=2
k=
y=
i need help this just doesnt make sense to me at all!!!!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
y = kx

8 = k(2)

8 = 2k

8/2 = k

4 = k

k = 4
-------------------------------------------------------

y = kx

y = 4x


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