Evaluate the expressions below for x = -4. x^-2 = ? x^-1 = ? x^0 = ? x^1 = ? x^2 = ?

Question

Evaluate the expressions below for x = -4.
`x^-2` = ?
`x^-1` = ?
`x^0` = ?
`x^1` = ?
`x^2` = ?

Answer 1

-0.0625

-0.25

1

-4

16

Explanation:

`x=-4\\\\x^(-2)=\\-4^(-2)=\\-0.0625\\\\x^(-1)=\\-4^(-1)=\\-0.25\\\\x^0=\\-4^0=\\1\\\\x^1=\\-4^1=\\-4\\\\-x^2=\\-4^2=\\16`