A quadratic equation ax? + bx + c = 0 has no real roots, if Share with your friends Share 0 Abhishek Kumar answered this 0 View Full Answer Khushi Beniwal answered this A quadratic equation ax^2+bx+c=0 has no real roots when b^2-4ac 1 Khushi Beniwal answered this b^2-4ac is smaller than 0 1