Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may
apply.
-$$\sqrt { 9 }$$
A) Nonreal complex
B) Complex, pure imaginary, nonreal complex
C) Real, complex
D) Complex

Question

Quizplus · Accepted Answer

$\sqrt{9}$ equals 3, which is a real number. All real numbers are also complex numbers with an imaginary part of 0. Therefore, it is both real and complex.

Identify the Number as Real, Complex, Pure Imaginary, or Nonreal 9\sqrt { 9 }9​

Identify the Number as Real, Complex, Pure Imaginary, or Nonreal $\sqrt { 9 }$