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5 votes
Which equation represents a proportional relationship?

y = 3x
y = −3x + 2

y = (1)/(2x)

y = 2 (x + (1)/(3) )

2 Answers

4 votes
y=3x hope this helps 
User Alexander Solovyov
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7.2k points
1 vote
It's the first one. y = 3x
proportional means they are just some multiple of the other.
User Mathieu Paturel
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7.5k points