SOLUTION: Suppose that y varies directly with x. When x = 8, then y = 4. (a) Find the constant of proportionality k. (b) Write the linear function relating the two variables in the form

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Question 1074957: Suppose that y varies directly with x. When x = 8, then y = 4.
(a) Find the constant of proportionality k.
(b) Write the linear function relating the two variables in the form y = kx.
(c) Find y when x = 32.

Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
y=kx
4=k*8
k=1/2
y=(1/2)*32
=16

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