SOLUTION: Use the discriminant to determine all values of k that would result in the equation x^2-kx+4=0 having imaginary roots.

Algebra ->  Rational-functions -> SOLUTION: Use the discriminant to determine all values of k that would result in the equation x^2-kx+4=0 having imaginary roots.       Log On


   

Question 972250: Use the discriminant to determine all values of k that would result in the equation x^2-kx+4=0 having imaginary roots.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
%28k%5E2-4%2A4%29%3C0, or, the discriminant is less than zero.

That will give k for the quadratic equation in x to have complex roots with an imaginary component.



---
-4%3Ck%3C4 for the roots to have imaginary components.