Question

If 2x-y=2, what is the value of 9^x/3^y?

1) 3
2) 9
3) 27
4) 81

Answer 1

I think the answer to this question is 9

Answer 2

Answer: 9

Work Shown:

(9^x)/(3^y)

( (3^2)^x )/(3^y)

( 3^(2x) )/( 3^y )

3^(2x-y)

3^2 .... use the equation 2x-y = 2

9