Question

If the discriminant of a quadratic equation is zero, then its roots are

________ and ____​

Answer 1

Answer:

real & identical

Step-by-step explanation:

If the discriminant of a quadratic equation is zero, then its roots are  real & identical.

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Answer 2

If the discriminant of a quadratic equation is zero, then its roots are real and equal.

• The discriminant is calculated when we apply the quadratic formula in any quadratic equation to find its roots.
• The formula for finding Discriminant is b²-4ac.
• The discriminant is equal to zero in this case.
• The roots will be real i.e. no imaginary roots.
• The roots will be equal i.e. identical roots will be there.

Hence, if the discriminant of a quadratic equation is zero, then its roots are real and equal.