180k views
5 votes
Evaluate 8x^2y^-2 for x=-1 and y = 2

User Rolebi
by
7.1k points

1 Answer

2 votes

Answer:

2

Explanation:

Plug in -1 for x and 2 for y, then simplify.


8x^(2) y^(-2) \\=8(-1)^(2) *2^(-2) \\=8*(1)/(4) \\=2

User AZ Chad
by
8.6k points