Multiple choice

If the roots of a quadratic equation are equal, than discriminate is

  1. $1$
  2. $0$
  3. greater than $0$
  4. less than $0$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A quadratic has equal roots when its discriminant is zero. For ax^2 + bx + c, the discriminant is b^2 - 4ac, so it must equal 0.

AI explanation

The discriminant of a quadratic equation is given by the expression b^2 - 4ac. If the roots of the equation are equal, the value of the discriminant must be zero. Therefore, the answer is 0.