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Tell whether x and y show direct variation. x + y = 6​
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13 votes
Tell whether x and y show direct variation. x + y = 6​

User ILoch
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1 Answer

13 votes

Answer: Not direct variation

The reason why is because it can't be written in the form y = kx

If we solved the given equation for y, we get y = -x+6. It has a y intercept of 6, but it should be zero if we wanted a direct variation equation.

User Arcenio
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