Page 374 - Basic College Mathematics with Early Integers
P. 374

CUMULATIVE REVIEW                          351
            Evaluate.                                                                          17.


             17. 9 2             18. 5 3             19. 3 4             20. 10 3              18.


                                                                                               19.

                        x - 5y                                   2a + 4                        20.
            21. Evaluate       for x = 21  and y = 3 .  22. Evaluate   for a = 7  and c = 3 .
                           y                                       c
                                                                                               21.


                                                                                               22.

            23. Find the opposite of each number.    24. Find the opposite of each number.
                                                                                               23. a.
                a. 11   b. -2     c. 0                  a. -7    b. 4    c. -1
                                                                                                   b.

                                                                                                   c.
            25. Add:  -2 + (-21)                     26. Add:  -7 + (-15)
                                                                                               24. a.

                                                                                                   b.


                                                                                                   c.

            Find the value of each expression.                                                 25.
                 #
                                            #
            27. 5 6 2                  28. 4 2 3                  29. -7 2
                                                                                               26.
                                                                                               27.


            30. (-2) 5                 31. (-5) 2                 32. -3 2                     28.

                                                                                               29.


                                                                                               30.

                                                                                               31.
            Write the shaded part as an improper fraction and a mixed number.

            33.                                      34.                                       32.


                                                                                               33.



                                                                                               34.
            35.                                      36.
                                                                                               35.



                                                                                               36.
   369   370   371   372   373   374   375   376   377   378   379