Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may
apply.
-$\sqrt { - 6 }$
A) Complex
B) Complex, pure imaginary, nonreal complex
C) Real, complex
D) Nonreal complex

Question

Quizplus · Accepted Answer

The number $\sqrt { - 6 }$ is a complex number because it involves the square root of a negative number. It is specifically a pure imaginary number because it can be expressed in the form of $bi$ where $b$ is a real number and $i$ is the imaginary unit. It is also a nonreal complex number because it does not have a real part.

Identify the Number as Real, Complex, Pure Imaginary, or Nonreal −6\sqrt { - 6 }−6​

Identify the Number as Real, Complex, Pure Imaginary, or Nonreal $\sqrt { - 6 }$