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Q: How do you find direct variation?

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find the direct variation equation 3x+y=0

A direct variation (!) or direct reelationship.

Direct variation is not a special case.

Yes, it is direct variation.

For a direct variation equation the constant MUST be 0. Then the ratio of a pair of values of the two variables is the slope.

No, it is not a direct variation.

I have recently been doing all these direct variation problems but not every linear relationship is a direct variation... But every direct variation is a linear relation!

If a variable X is in inverse variation with a variable Y, then it is in direct variation with the variable (1/Y).

Direct variation is the ratio of two variable is constant. Inverse variation is when the product of two variable is constant. For example, direct variation is y = kx and indirect variation would be y = k/x .

Direct variation is the ratio of two variable is constant. Inverse variation is when the product of two variable is constant. For example, direct variation is y = kx and indirect variation would be y = k/x .

Suppose the two variables are denoted by X and Y. If Y is a constant multiple of X, that is Y = c*X, then the variation is direct. If the value of X*Y is a constant, that is Y = c/X, then the variation in inverse.

When two variables are related in such a way that the ratio of their values always remains the same, the two variables are said to be in direct variation. y=2x is direct variation y=x+2 is not direct variation

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