Solved on Dec 05, 2023

If the discriminant of an equation is positive, the equation has two real solutions\textbf{two real solutions}.

STEP 1

Assumptions
1. We are dealing with a quadratic equation of the form ax2+bx+c=0 ax^2 + bx + c = 0 .
2. The discriminant of a quadratic equation is given by Δ=b24ac \Delta = b^2 - 4ac .
3. The nature of the roots of the quadratic equation depends on the value of the discriminant.

STEP 2

Recall the relationship between the discriminant (Δ\Delta) and the nature of the roots of a quadratic equation.
1. If Δ>0\Delta > 0, the quadratic equation has two distinct real solutions.
2. If Δ=0\Delta = 0, the quadratic equation has exactly one real solution (a repeated real root).
3. If Δ<0\Delta < 0, the quadratic equation has two complex solutions.

STEP 3

Since the discriminant of the equation is given to be positive (Δ>0\Delta > 0), we can conclude that the quadratic equation has two distinct real solutions.

STEP 4

Match our conclusion with the given options.
The correct option that matches our conclusion is: D. It has two real solutions.
The discriminant being positive indicates that the quadratic equation has two distinct real solutions.

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