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Q: What is the direct variation formula?

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2y=3x

use the formula y=kx

yes y=kx is the formula for direct variation, and k represents constant of variation which can also be called slope.

A direct variation (!) or direct reelationship.

Direct variation is not a special case.

Yes, it is direct variation.

The constant of variation in an http://wiki.answers.com/Q/inverse-variation.html is the constant (unchanged) product between two variable quantities.The formula for indirect variation is xy = k..where k is the constant of variation.The constant of variation in a http://wiki.answers.com/Q/direct-variation.html is the constant (unchanged) ratio of two http://wiki.answers.com/Q/variables.html quantities. The formula for direct variation is y = kx..where k is the constant of variation.

The formula direct variation is xk=y, where k is the constant of variation.Direct variation functions always pass through the origin. Direct variation functions are linear functions (goes in a straight line), except that they pass through the origin. Regular linear functions don't pass through the origin. That is the only difference.

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 .

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