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Q: What makes a decreasing linear relationship a direct variation?

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You then have a linear relationship, or a direct variation. A straight line through the origin.

Direct variation means that a linear function can be written as y = kx. The y-intercept must be (0, 0). The constant, k, is the slope.

boner

Exponential Decay. hope this will help :)

Whether the sequence is increasing or decreasing makes no difference. The only difference is that the common difference d will be a negative number.

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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!

No.

no.

YES...A direct variation is a linear relationship in which y-intercept is always 0.

it is a math question bang bang

You then have a linear relationship, or a direct variation. A straight line through the origin.

The line doesn't go through the origin

There is a direct linear relationship.There is a direct linear relationship.There is a direct linear relationship.There is a direct linear relationship.

yes * * * * * No, it is not. In a direct variation, if one of the variables is 0, the other MUST also be 0. In a linear function, they will be the intercepts.

If the functional relationship is of the form y = cx where c is the constant of variation. In graphical form, it is a straight line through the origin.

All direct variation graphs are linear and they all go through the origin.

Linear has a slope direct does not but both go through the orgin

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