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To clear a complex number from a denominator, a student multiplies by the term found by flipping the sign of the imaginary part. That term is the complex:
ACoordinate
BConstant
CCoefficient
DConjugate
Answer & Solution
Correct answer: D. Conjugate
1. Only the sign of the imaginary part changes.
2. The product turns out to be real.
3. It is the complex conjugate.
_Source: OpenStax College Algebra 2e, Chapter 2, Equations and Inequalities._
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