1.05  Variables and Substitution

Basic Algebra: One Step at a TimePage 27 - 30:   #3, 4, 13,  20,  21, 22, 23,  24,  25,  27,  28.

Dr. Robert J. Rapalje

Seminole Community College

Sanford, FL  32773  

To see Section 1.05, with detailed explanations, examples, exercises, and answers, click here!

p.  27 - 30:

  3.      Find the value of  if     

                            

                             

                                     

                                               

 

  4.      Find the value of  if     

                            

                             

                                     

                                               

 

13.      Given that     

            Find the value of          

                                           

                                               

                                                 

                      

20.      Given that     

            Find the value of          

                                           

                                           

                                               

21.      Given that     

            Find the value of          

                                               

                                                 

                                                 

22.      Given that     

            Find the value of          

                                              

                                                

                                                       

 

23.      Given that     

            Find the value of          

                                              

                                              

                                                 

                                                 

24.      Given that     

            Find the value of          

                                               

                                               

                                                 

                                               

 

25.      Given that     

            Find the value of          

                                               

                                               

                                                 

                                               

 

27.      Given that     

            Find the value of          

                                        

                                                   

                                                     

                        DIVISION BY ZERO IS UNDEFINED!!

                                        NO SOLUTION!!

 

28.      Given that     

            Find the value of          

            Note:  Compare this exercise to #27.  How is it similar?   How is it different?  Compare the answers!

                                        

                                                   

                                                     

                                                         

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Dr. Robert J. Rapalje Altamonte Springs Campus
Contact me at:   rapaljer@scc-fl.edu
Phone number:  NONE Retired!!
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