Question

What is the value of the rational expression below when is equal to 5?

Answer 1

Answer:

$\boxed {C. -2}$

Step-by-step explanation:

$\textsf {Substitute x = 5 in the expression :}$

$\longrightarrow \mathsf{\frac{15 - x}{x - 10}}$

$\longrightarrow \mathsf{\frac{15 - 5}{5 - 10}}$

$\longrightarrow \mathsf{\frac{10}{-5}}$

$\longrightarrow \mathsf{-2}$