Operations on Rational Expressions

Front

What are rational expressions?

Back

Rational expressions are fractions where the numerator and the denominator are both polynomials.

Front

What is the restriction in a rational expression?

Back

Restrictions are values of the variable that make the denominator zero, which are not allowed in the expression.

Front

Back

Front

What is the process for adding rational expressions?

Back

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

Front

Back

Front

How do you subtract rational expressions?

Back

To subtract rational expressions, find a common denominator, rewrite each expression, and then subtract the numerators.

Front

Back

Front

What is the first step in dividing rational expressions?

Back

The first step is to multiply by the reciprocal of the second expression.

Front

Back

Front

Back