Question

Which of the following expressions are equivalent to -r/-s

Answer 1

A
`(r)/(8)`

Explanation:

-/- = +

-r/-8 = r/8

Answer 2

The expressions are equivalent to
`- (-r)/(-y)` is none of the above

What are expressions ?

Any mathematical statement that consists of numbers, variables, and an arithmetic operation between them is called an expression or an algebraic expression. For instance, the formula 4m + 5 consists of the words 4m and 5, as well as the variable m, which is divided by the arithmetic symbol +.

Given that

`- (-r)/(-y)`

The minus sign in the denominator can cancel out that of the numerator as
`- (r)/(y)` , Hence nonoe of the options are correct