# Is #2y = 5x + 1# a direct variation and if so what is the constant?

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Yes, the equation 2y = 5x + 1 represents a direct variation. The constant of variation is the coefficient of x divided by the coefficient of y, which is 5/2 or 2.5.

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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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