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Which of the following equations represents direct variation?A. y=3x+4B. xy=6C. 3x-6y=0D. x+y=6Please help!!!

User Asim Khan
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To see if they represent a direct variation we have to write yhem in the form:


y=kx

so we rewrite the four equations like:


\begin{gathered} A\to y=3x+4 \\ B\to y=(6)/(x) \\ C\to y=(3)/(6)x \\ D\to y=-x+6 \end{gathered}

So the only one that has the same form is option C

User Kelly Ethridge
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