There are two complex solutions.
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It has a complete lack of any x-intercepts.
If the discriminant is negative, the roots will be two unreal complex conjugates. If the discriminate is positive the roots will be real.
In basic mathematics, a quadratic equation with a negative discriminant has no solutions. However, at a more advanced level you will learn that it has two solutions which form a complex conjugate pair.
A quadratic equation has one discriminant.
If the discriminant is negative, the equation has no real solution - in the graph, the parabola won't cross the x-axis.