Aim: How do we determine when an algebraic fraction is undefined?

Homework: Handout All problems

Lesson Review: A algebraic fraction is undefined when the denominator is ZERO.

The steps to determine what is/are the value of the variable(s) that make algebraic fraction undefined is a follows:

1. Set the denominator only to ZERO.

2. Solve the denominator equation for the variable.

Remember that if the denominator is a quadratic (has a variable with an exponent of 2), there will be two solutions.

Lesson Review;

http://www.regentsprep.org/Regents/math/ALGEBRA/AV5/undefined.htm

Practice Exercise:

http://www.regentsprep.org/Regents/math/ALGEBRA/AV5/Pundefined.htm