Respuesta :

Answer:

the answer is 7/9............

given..

expression is x^2y/-9

value of x=1

value of y=-7

then.... putting value of x and y in the given equation...

we get .

={1^2*(-7)}/-9

={1*(-7)}/-9

=(-7)/-9

=7/9

Step-by-step explanation:

x²y/-9

1²(-7)/-9

-7/-9

7/9.

hope this helps you.