Page 97 - Math Course 2 (Book 1)
P. 97

Multiplying Polynomials





                Your Turn!


               Product of a Monomial and a Polynomial             Real World Example

                Find 3(–5m – 2).                                   GARDEN
                                                                   The length of a garden is four more than twice
                A.15m + 6                                          its width. The perimeter of the garden is 44 feet.
                B.–15m – 6                                         What are the dimensions of the garden?
                C.15m – 6
                D.–15m – 2                                         A. 6 ft by 12 ft
                                                                   B. 6 ft by 16 ft
                                                                   C. 12 ft by 16 ft
                 Answer                                            D. 8 ft by 12 ft


                                                                    Answer
                Find (4p – 8)(–3p).
                A. 12p
                      2
                B. 12p  + 24p
                       2
                C. –12p  + 24p
                       2
                D. –12p  – 8p
                 Answer






                           2
                Find –3x(2x  – 4xy + 3y2).
                         3
                                2
                A.     6x  + 12x y – 9xy 2
                                2
                         3
                B.     6x  – 12x y + 9xy 2
                                 2
                           3
                C.     –6x  + 12x y – 9xy 2
                                 2
                           3
                D.     –6x  – 12x y + 9xy 2
                 Answer






                  Skill Practice!



                Find each product.
                1. 4(k + 7)                         2. (5h + 3)3                3. –9(2q + 7)
















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