question_answer 17)

(i) For any integer a, what is\[~(-\text{ }1)\times a\] equal to? (ii) Determine the integer whose product with (\[-\text{1}\]) is (a) \[-\text{22}\]                              (b) 37                                    (c) 0                                                      

Answer:

                (i) \[(-1)\times a=-a\] (ii) (a) 22                              (b) \[-\text{37}\]                              (c) 0.