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18-04-2020
Mathematics

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Assume y varies directly with x.Let y = 12 when x = -6. Which is the correct equation? Hint: y = kx, make sure you substitute the correct number in correct location of the equation.

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18-04-2020

Answer:

k=-2

Step-by-step explanation:

If y=12, x=-6 => 12=k*(-6)

12=-6k

divide both sides with -6:

-2=k

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