## Algebra: A Combined Approach (4th Edition)

Answers may vary $x=4$ for positive $x^{-1}$ $x=-2$ for negative $x^{-1}$ In general, the sign of $x$ is the sign of $x^{-1}$
$x=4$ $x^{-1}$ $4^{-1}$ $1/4^1$ $1/4$ $x=-2$ $x^{-1}$ $-2^{-1}$ $1/(-2)^1$ $1/-2$ $-1/2$