What's a Rational Equation?

Finishing up his short series on rational expressions, Sal reviews the concept with another example. Those who have a hard time with rational expressions will appreciate the clarity with which Sal explains his process and methodology.

A rational expression is a fraction where the denominator and/or the numerator is a polynomial. The resource presents rational expressions and how to add and subtract them. Additionally, the video connects the addition and subtraction of...

Extending his asymptotes lesson from the previous video, Sal shows viewers another example of graphing rational functions. This video is shorter than the previous one and could be shown in a single class session.

Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.

Rational expressions are the focus of this video, which completes Sal's lecture series on how to work with and solve the particular type of equation. The length of the video would be ideal for a computer lab visit or homework assignment...

Provide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.

A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...

The first step in adding mixed numbers is to change them into improper fractions. Secondly, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the numerator...

The first step in subtracting mixed numbers is to change them into improper fractions. Second, make sure the denominators are the same. If they are not the same, then find a common denominator. Make the proper conversions to the...

Show your class how to find the numerator and the denominator of a fraction with this video! The video includes a brief explanation and a trick for remembering which is on the top, and which is one the bottom. A great way to help your...