Answer
b. and c.
Work Step by Step
We are given the number $-\frac{1}{7}$.
a. $\frac{-1}{-7}=\frac{1}{7}$, since both the numerator and denominator are both negative, the resulting quotient is positive. This number is the opposite of $-\frac{1}{7}$
b. $\frac{-1}{7}=-\frac{1}{7}$
c. $\frac{1}{-7}=-\frac{1}{7}$
d. $\frac{1}{7}$ is the opposite of $-\frac{1}{7}$
