A __________ number is any number that can be written in the form $a + b i$ , where a and b are real numbers and $i = \sqrt { - 1 }$ .
A) fractional
B) positive
C) rational
D) complex
E) real

Question

Quizplus · Accepted Answer

A complex number is defined as any number that can be written in the form $a + b i$, where $a$ and $b$ are real numbers and $i$ is the imaginary unit $\sqrt{-1}$.

A __________ Number Is Any Number That Can Be Written a+bia + b ia+bi

A __________ Number Is Any Number That Can Be Written $a + b i$