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Which of the following functions represents a direct variation? A. y = x2 B. y = -8x C. y = -2/x D. y = x3

Which of the following functions represents a direct variation? A. y = x2 B. y = -8x C. y = -2/x D. y = x3
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Which of the following functions represents a direct variation?

A. y = x2
B. y = -8x
C. y = -2/x
D. y = x3

asked
User Gravity Grave
by
7.7k points

1 Answer

2 votes
It's B. Since the slope is -8/1 x. Slope is rise/run. The other answers doesn't make sense since the x is put in a different place.
answered
User Alejandro Rizzo
by
8.4k points
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