Question

in the complex number 12 + 4i, what type of number is 4i? (1 point) imaginary irrational real complex

Explanation:

A complex number is in the form $a + bi$, where $a$ is the real - part and $bi$ is the imaginary part. In the complex number $12 + 4i$, $12$ is the real part and $4i$ is the imaginary part. An imaginary number is a number of the form $bi$ where $b$ is a non - zero real number and $i=\sqrt{- 1}$.

Answer:

imaginary