# Is #5y=-4x# a direct variation equation and if so, what is the constant of variation?

The reqd. constant of variation is

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Yes, the equation 5y = -4x represents a direct variation. The constant of variation, often denoted as k, is the coefficient of x when the equation is written in the form y = kx. In this case, the constant of variation is -4/5.

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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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