Unit
Rational Expressions and Functions
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
To unlock all 5,300 videos, start your free trial.
MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
In math, dividing by zero is undefined. Since a fraction represents a quotient, any value for a variable that would make the denominator of a rational expression zero is an excluded value, or a value that is restricted in the domain. To find theses restricted values, we factor the denominator(s), set each factor equal to zero, and solve for x.
Transcript Coming Soon!
