Respuesta :

Answer:

y = 4.5x

Step-by-step explanation:

y=ax is form of proportional relationship

checking the first pair of numbers:

  • 9=2a ⇒ a= 4.5

checking other lines

  • 5*4.5= 22.5- correct
  • 8*4.5= 36 - correct

So the equation is:

  • y = 4.5x
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