Question

If the discriminant \( D = 0 \), how are the roots of the quadratic equation described?

Options

• Roots are real and unequal

• Roots are real and equal

• Roots are not real at all

• No real roots

Answer 1

When \( D = 0 \), the roots are real and equal. Here \( b^{2} - 4ac = 0 \), so the equation has two coincident (equal) real roots.