SOLUTION: Suppose ax^2+bx+c=0 is a quadratic equation which has real complex roots. Why should it have complex conjugate roots? [Hint: Think of how roots of a quadratic equation are derived
Question 631338: Suppose ax^2+bx+c=0 is a quadratic equation which has real complex roots. Why should it have complex conjugate roots? [Hint: Think of how roots of a quadratic equation are derived using the quadratic formula]
(please help me with this) Answer by richard1234(7193) (Show Source):
You can put this solution on YOUR website! Derive the quadratic formula by completing the square. Somewhere in there you'll see that if the roots are non-real, then they are complex conjugates.