Operations with Rational Expressions Flashcard

Front

What is a rational expression?

Back

A rational expression is a fraction where both the numerator and the denominator are polynomials.

Front

How do you add rational expressions with different denominators?

Back

To add rational expressions with different denominators, find a common denominator, rewrite each expression with that denominator, and then combine the numerators.

Front

What is the first step in subtracting rational expressions?

Back

The first step is to find a common denominator for the expressions being subtracted.

Front

What is the formula for multiplying two rational expressions?

Back

Front

What is the process for simplifying a rational expression?

Back

To simplify a rational expression, factor both the numerator and the denominator and then cancel any common factors.

Front

What does it mean to find the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest expression that can be used as a common denominator for two or more rational expressions.

Front

Back

Front

Back

Front

Back

Front

Back