The problem states that the quadratic equation $ax^2 + bx + c = 0$ has a discriminant $b^2 - 4ac = -1$. We are asked to determine the nature of the solutions of this equation.

AlgebraQuadratic EquationsDiscriminantComplex NumbersRoots of Equations
2025/4/22

1. Problem Description

The problem states that the quadratic equation ax2+bx+c=0ax^2 + bx + c = 0 has a discriminant b24ac=1b^2 - 4ac = -1. We are asked to determine the nature of the solutions of this equation.

2. Solution Steps

The discriminant, b24acb^2 - 4ac, determines the nature of the solutions to a quadratic equation.
If b24ac>0b^2 - 4ac > 0, the quadratic equation has two distinct real solutions.
If b24ac=0b^2 - 4ac = 0, the quadratic equation has one real solution (a repeated root).
If b24ac<0b^2 - 4ac < 0, the quadratic equation has no real solutions. Instead, it has two complex solutions.
In this case, the discriminant is b24ac=1b^2 - 4ac = -1, which is less than

0. Therefore, the quadratic equation has no real solutions.

3. Final Answer

d) No real solutions

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