Answer
The discriminant is the part of the quadratic formula under the radical sign: $b^2-4ac$.
The discriminant determines the number of solutions in a given equation. For instance, if:
$b^2-4ac = 0$, then there is one real number solution.
$b^2-4ac =$ $negative$ $number$, then there are two imaginary solutions.
$b^2-4ac =$ $positive$ $number$, then there are two real number solutions.
Work Step by Step
The discriminant is the part of the quadratic formula under the radical sign: $b^2-4ac$.
The discriminant determines the number of solutions in a given equation. For instance, if:
$b^2-4ac = 0$, then there is one real number solution.
$b^2-4ac =$ $negative$ $number$, then there are two imaginary solutions.
$b^2-4ac =$ $positive$ $number$, then there are two real number solutions.