Mathematics, 13.12.2019 01:31 alwaysneedhelp8420

Which equation(s) represents a proportional relationship?
a) y=7x^2 b) y=2+3x
c) y=1/2x d) y= 5-x

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Which equation(s) represents a proportional relationship?
a) y=7x^2 b) y=2+3x
c) y=1/2x...