Find the variation constant and an equation of variation for the given situation. y varies directly as x, and y = 7 when x = 1/2.

Step-by-step explanation:

Directly Proportion

It's said that y varies directly proportional as x, if:

Where k is a constant of proportionality.

We know that y=7 when x=1/2.

Using the above condition, we can find the value of k:

Solving for k:

k=14

Thus, the equation is:

were is the equation

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