Mathematics Test—No Calculator - College Board

, close parenthesis, add the real parts of each complex number, 7 plus, parenthesis, negative 8, close parenthesis, equals negative 1, and then add the imaginary parts, 3 i. plus 9 i, equals 12 i. The result is negative 1 plus 12 i. Choices B, C, and D are incorrect and likely result from common errors that arise when adding complex numbers. ................
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