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? Math · None · None · MCQ

Which of the following complex numbers is equal to (5+12 i)-(9 i^2-6 i), for i=sqrt(-1) ?

  1. A

    -14-18 i

  2. B

    -4-6 i

  3. C

    4+6 i

  4. D

    14+18 i

Source: Questions from the AGIEval benchmark's SAT subsets, derived from pre-2016 College Board SAT exams. View the official question bank →

These items follow the pre-2016 paper SAT format and do not reflect the current digital SAT. Useful as a benchmark set, not as current test preparation.

id agieval_sat:abcf4164ecec6d36372f7cef3a159273 · JSON