Which equation represents a proportional relationship? Question 3 options: y = 9x y = 9x + 1 y = 9x + 9 y = 9 : x

y = 9x represents the proportional relationship. where y is directly proportion to x.

if you want to yalk about inversaly proportioning than in 4th equation

y = 9/x

y is inversaly proportinal to x.

so now choose yourself if directly the. ans is option 1st z if talking about inversaly then option d