SOLUTION: Find the constant of variation k when y varies directly as x, and y = 12 when x = 4. k =________?

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Question 1197104: Find the constant of variation k when y varies directly as x, and y = 12 when
x = 4.
k =________?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi

Find the constant of variation k when y varies 'directly' as x, 
and y = 12 when x = 4.
y varies 'directly' as x   ⇒   y = kx
y = kx
12= 4k
 3 = k
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