10 Questions
Which symbol is used to represent a complex number?
i
Which equation defines the imaginary unit?
i^2 = -1
What is the real part of a complex number a + bi?
a
What is the imaginary part of a complex number a + bi?
b
Complex numbers allow solutions to which type of equations?
Polynomial equations
Which equation correctly defines a complex number?
$a + bi$
What is the imaginary unit denoted as?
$i$
Who called the imaginary unit an imaginary number?
René Descartes
What is the set of complex numbers denoted as?
$\mathbb{C}$
Complex numbers allow solutions to which type of equations?
Polynomial equations
Test your knowledge of complex numbers and discover the origin of the imaginary unit i in this insightful quiz.
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