Question

If the roots of the quadratic equation \( ax^2 + bx + c = 0 \) are real and equal, then:

• A. \( b^2 - 4ac < 0 \)
• B. \( b^2 - 4ac = 0 \)
• C. \( b^2 - 4ac > 0 \)
• D. \( a + b + c = 0 \)

Hint:

Remember: Discriminant zero means the quadratic has a repeated (equal) real root.