SOLUTION: how do you write the equation (direct variation) if you are given an ordered pair?

Question 388771: how do you write the equation (direct variation) if you are given an ordered pair?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
how do you write the equation (direct variation) if you are given an ordered pair?
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Direct variation of x and y: y = kx
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Assume you have the point (5,8),
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then 8 = k*5
then k = 8/5
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Then the equation for this
situation is: y = (8/5)x
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Cheers,
Stan H.
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