Algebra-1

Question Analysis
This question tests the student's ability to apply the quadratic formula to a specific quadratic equation. The equation given, , has a discriminant of zero, indicating a single repeated root.

Key Concept Explanation
The quadratic formula, , is used to find the roots of any quadratic equation of the form ( ) . The discriminant, , determines the nature of the roots: if it is zero, there is one repeated real root.

Step-by-step Solution
1. Identify coefficients:

Click "Show Answer" to reveal the answer and analysis