SOLUTION: x=3; y=9 given thaT Y VARIES DIrECTLY with x, use the specified values to write a direct variable that relates x and y.

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Question 377459: x=3; y=9
given thaT Y VARIES DIrECTLY with x, use the specified values to write a direct variable that relates x and y.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+kx, where k is a constant of proportionality. From the given,
9 = k*3, or k = 3. Thus y = 3x.