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Question 160216:
X varies directly with Y. Find the constant of variation if X=4 and Y=16
X varies directly with Y. Find the constant of variation If X=4 and Y=3
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Answer by midwood_trail(310)   (Show Source):
You can put this solution on YOUR website! X varies directly with Y. Find the constant of variation if X=4 and Y=16
I will do this one. You can then use my notes to solve question 2.
Ready?
If x varies directly with y, we can write the equation like x = yk, where k represents the constant of variation.
The constant ratio is called the constant of variation.
You are given x = 4 and y = 16.
Plug those two values into the equation given above and solve for k.
x = yk
4 = 16k
Divide both sides by 16.
4/16 = k
1/4 = k
Did you follow?
Now, do the next question exactly the same way.
If you cannot, then write back.
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