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Material Type: Quiz; Professor: Brubaker; Class: Precalculus II; Subject: Mathematics; University: Community College of Philadelphia; Term: Unknown 1989;
Typology: Quizzes
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Math 162 Quiz: Complex numbers and the four operations Note: i^2 = -1. Simplify and give all answers in a + bi form where a, b are real numbers. 1 (3 – 2i) + ( - 5 + 3i) 2 ( 5 – 11i) – (- 7 + 5i) 3 ( 5 – 2i)(-2 + 4i) 4 (7 – 8i)(7 + 8i) 5 ( 2 +5i) 6 ( 3 – 7i) ( 3 – 2i) 3 + 4i 7 -5i( -4 – 7i) 8 (3 + 5i)^2
