# Is #x+y=6# a direct variation equation and if so, what is the constant of variation?

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No, the equation ( x + y = 6 ) is not a direct variation equation. A direct variation equation is of the form ( y = kx ), where ( k ) is the constant of variation.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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