Find the value of "k" so that the following equation will have 2 imaginary solutions: x^2+kx+3=0

Question

Quadratic Formula 

Answer 1

The discriminant D must be negative.

 

D = b² - 4ac < 0

 

a = 1

b = k

c = 3

 

Substitute these into D and find what value(s) of k make D < 0.