Algebra-1

Question Analysis
This question tests the student's ability to calculate the discriminant of a quadratic equation and determine the nature of its roots. The given quadratic equation is .

Key Concept Explanation
The discriminant of a quadratic equation is given by . The value of the discriminant determines the nature of the roots:
If , there are two distinct real roots.
If , there is exactly one real root (a repeated root).
If

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