Wetzel

Math 102

7.1 – Simplifying Rationals

What is a rational expression?

            The quotient of two polynomials.  (a fraction)

Since we always simplify fractions,

            Steps to Simplify:

1.)    Completely factor the numerator AND denominator

2.)    Cancel any common factors between the numerator and denominator.

Ex.:  Simplify

1.)                                                                                                  2.)        

3.)                                                                                        4.) 

Determine where the following functions are undefined.

5.)                                                                               6.)                

7.)