# RATL 3 | Lesson 1 | Practice (Rational Expressions) Solutions

Solutions:

1. Domain
1. $$x\neq5,-4$$
2. $$x\neq0,5$$
3. $$x\neq4,-3$$
1. $$\dfrac{x-1}{x-5}$$
2. $$-\dfrac{x+5}{x}$$
3. $$\dfrac{x+4}{x-3}$$
1. $$\dfrac{1}{2}, \, \dfrac{1}{5}, \, -1$$
2. $$-6, \, -\dfrac{8}{3}, \, -\dfrac{9}{4}$$
3. $$0, \, \dfrac{4}{5}, \, \dfrac{7}{6}$$