Is the relationship between the variables in the table a direct variation, an inverse variation, or neither? If it is a direct or inverse variation, write a function to model it. x:-6, -4, -3, 1 y:-72, -48, -36, 12

Question

anonymous · Answer

Direct variation. :)

f(x) x/12

campbell_st · Answer

the direct variation model is 

$$y = kx$$

k is the constant of variation 

inverse variation, the model is 

$$y = \frac{k}{x} $$

so in your question,  diviide the y value by the corresponding x value...

-72/-6 =      is it the same as -48/-4 

this will give the k value. 

and the table shows direct variation.