GoldAu GoldAu 25-10-2019 Mathematics contestada Which equation represents a proportional relationship? A. y = [tex]\frac{1}{2} x[/tex] B. y=[tex]\frac{1}{2} x + 1[/tex] C. y=[tex]\frac{1}{2} x + 2[/tex] D. y=[tex]\frac{1}{2} x + \frac{1}{2}[/tex]