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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following functions represents a direct variation?Answer y = x2 y = -8x y = x3

OpenStudy (anonymous):

|dw:1354987519190:dw|

OpenStudy (anonymous):

@debrasha this one

OpenStudy (anonymous):

@jishan @ganeshie8 help?

OpenStudy (anonymous):

direct is \[y \alpha kx\]

OpenStudy (anonymous):

as y increases , x increases.... which isn't the case for two functions here

OpenStudy (anonymous):

Would it be a fraction?

OpenStudy (anonymous):

graph these out... \[\frac{-2}{x}\] |dw:1280256518816:dw|

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