Answer:
Proportional.
Step-by-step explanation:
We have been given that given an equation [tex]y=-9x[/tex]. We are asked to determine whether the given equation is proportional or not.
We know that two proportional quantities are in form [tex]y=kx[/tex], where k is constant of proportionality.
We can see that our given equation is in form [tex]y=kx[/tex], where [tex]k=-9[/tex].
Therefore, the given equation is directly proportional.
