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if the line runs through the origin it is a direct variation no matter if it is increasing or decreasing

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βˆ™ 2011-09-12 23:14:23
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What makes a decreasing linear relationship a direct variation?
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Does every linear equasion represent a direct variation relationship?

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!


Is a linear relationship always a direct variation?

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What if y equals kx?

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How do you know that a direct variation is linear?

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.


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


Difference between the graphs of linear equations and a direct variation?

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

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