Undefined Fractions Worksheet

                    Lesson 1

Problem:    Find the value for x that makes these fraction undefined:

                                                                                                 .  t + 8
                                                                                                   7t – 4

Solution      A fraction is undefined when the denominator is equal to 0.

                                                            Step 1:                         

Solution      7t  -  4 =  0

Step 2:                         

Solution      The fraction is undefined when  t =   4/7

Step 3:          

Solution     Answer : 4/7

Step 4:

                                                            Complete    

                                                            Try two practice problems:

   A.      z + 8
           11z - 77

   B.      x + 9y
            x  -  23                     

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