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Direct proportions may be represented by a straight line through the origin, with the equation y = kx. The gradient of the line is the constant of proportionality and is a measure of the change in the "dependent" variable for a unit change in the "independent" variable. In the case of an inverse proportionality, the graph is a hyperbola with the equation y = k/x. The constant of proportionality, k, is a measure of the change in the reciprocal of the "dependent" variable for a unit change in the "independent" variable.

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Q: What are the characteristics of proportional relationships?

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A straight line with a positive slope, passing through the origin.

A straight line through the origin, and with a positive gradient (sloping from bottom left to top right).

If the points lie on a straight line through the origin, the two variables are in direct proportion.

Directly proportional. Greater speed - greater distance.

The answer is proportional.

Related questions

For proportional relationships the ratio is a constant.

Do all linear graphs have proportional relationship

They aren't.

a proportional relationship means that it is contributed equally into other parts or quantities

Directly proportional

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9

rational number

pyramid

the ones between the two fat people you just looked at

A Linear relationship is a relationship where variable quantities are proportional with each other.

Either a straight line through the origin or a hyperbola.

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