#Rational_expressions #restrictions #grade11math #intomath

In this video you will learn why we need to state restrictions on rational expressions.
You will see why the denominator cannot equal 0, what it means that the expression is undefined and how to state restrictions on rational expressions.
You will also learn why we do not need to state restrictions on the denominator.
You will discover what to do when the denominator needs to be factored first, before stating the restrictions on the denominator.

Check your understanding by taking a short free online quiz here: https://intomath.org/grade-11-math-qu...