Operations with Rational Expressions

Front

What is a rational expression?

Back

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

Front

What does it mean to combine like terms?

Back

Combining like terms involves adding or subtracting terms that have the same variable raised to the same power.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator is the smallest multiple that is common to the denominators of two or more fractions.

Front

When adding rational expressions, what is the first step?

Back

Determine a Least Common Denominator (LCD).

Front

Can you combine like terms in the denominator when adding rational expressions?

Back

Never.

Front

What is the first step in subtracting rational expressions?

Back

Determine a Least Common Denominator (LCD).

Front

What is the process of factoring in rational expressions?

Back

Factoring involves rewriting a polynomial as a product of its factors to simplify the expression.

Front

What is the result of multiplying two rational expressions?

Back

Multiply the numerators together and the denominators together.

Front

How do you divide rational expressions?

Back

Multiply by the reciprocal of the second expression.

Front

What is an example of a rational expression?

Back

(2x + 3)/(x^2 - 1) is a rational expression.