X^2+2x+3

Subject
Level
Highschool
Grade
8

Answer

This equation never equals zero unless complex numbers are used.

 $$x=-1-i\sqrt{2}$$ 

 $$x=-1+i\sqrt{2}$$ 

Graph

 bf-9b08da43e5cbc8cb056cd0d16c1db88c-tmb.jpg 

https://www.desmos.com/calculator/xejaukomwg

Imaginary Numbers Are Real [Part 1: Introduction]

More information and resources: http://www.welchlabs.com Imaginary numbers are not some wild invention, they are the deep and natural result of extending ...

Is this lesson helpful?

Course Hero

Share lesson