Question 687866
Which of the following functions represents a direct variation?
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Definition of Direct Variation:
In mathematics, two quantities are said to be proportional if they vary in such a way that one of the quantities is a constant multiple...
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Answer

y = x^2----No

y = -8x----Yes

y = -2/x----No

y = x^3-----No 
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Cheers,
Stan H.
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