Bell Ringer

Bell Ringer

Complex Numbers

Multiple Select

For the products listed, i represents the imaginary unit. Which of the products are real numbers? Select ALL that apply.

•  $\left(8-2i\right)\left(8+2i\right)$  

•  $\left(8-2i\right)\left(5i\right)$  

•  $\left(3\right)\left(5i\right)$  

•  $\left(i\right)\left(5i\right)$  

•  $\left(i\right)\left(8+2i\right)$