Page 85 - Math Course 2 (Book 1)
P. 85

Degree of a Polynomial






                  Skill Practice!




               State whether each expression is a polynomial. If the   Find the degree of each polynomial.
               expression is a polynomial, identify it as a monomial,
               a binomial, or a trinomial.
                                                                                             4
               1. 5mn + n 2          2. 4by + 2b – by             9. 12                 10. 3r









               3. –32                4.  3x
                                                                                                    3
                                        7                         11. b + 6                    12. 4a – 2a








                                         2
                         –4
               5. 5x² – 3x           6. 2c  + 8c + 9 – 3
                                                                              2
                                                                  13. 5abc – 2b +1













               GEOMETRY Write a polynomial to represent the area   Arrange the terms of each polynomial so that the
               of each shaded region.                             powers of x are in ascending order.

                                                                  14. 3x + 1+  2x 2
               7.
                                y   b
                           x
                           a

                                                                  Arrange the terms of each polynomial so that the
                                                                  powers of x are in descending order.

                                                                           3
                                                                      2
               8.        r                                        15. x  + 3x  + 27 – x












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