Simplifying rational expressions and restrictions

Simplifying rational expressions and restrictions

A rational expression is a fraction that its numerator and/or denominator are polynomials. In this lesson, we will first learn how to find the non-permissible values of the variable in a rational expression. Then, we will how to simplify rational expressions.

Lessons

Notes:
\cdot multiplication rule: xaxb=xa+bx^a \cdot x^b=x^{a+b}

\cdot division rule: xaxb=xab\frac{x^a}{x^b}=x^{a-b}
    Teacher pug

    Simplifying rational expressions and restrictions

    Don't just watch, practice makes perfect.

    We have over 1040 practice questions in Algebra 2 for you to master.