pre-test. This would allow your brain to prepare for what is coming. Read each question and choose only the letter of your answer. Write your answers on a separate sheet of paper. 1. What is the sum of 3 4 and 5 6 ? A. −3 10 B. −5 24 C. −19 12 D. 9 25 E. 19 12 2. What is -7 – ( −15 19 )? A. −21 10 B. −57 16 C. 7 9 D. −118 19 E. 118 19 3. The reciprocal of a negative rational number _____ A. is a positive rational number B. is a negative rational number C. can be either a positive or a negative rational number D. does not exist E. Is a positive irrational number​