The value of y varies with x and y=-12 when x=6 find y when x=-4

Question

there are answers for th question A) -8. B) 8. C) 24 d)-24

Answer 1

Direct proportionality means that

 

y₂/x₂ = y₁/x₁ ⇒ y₂ = (x₂/x₁)y₁ = (-4/6)(-12) = 8

 

y₂ = 8 is the value of y when x = -4