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dis·crim·i·nant
[dih-skrim-uh-nuhnt]
NOUN [MATHEMATICS.]
1.
a relatively simple expression that determines some of the properties, as the nature of the roots, of a given equation or function.
Source: Dictionary.com
discriminant | Define discriminant at Dictionary.com
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## Discriminant - Wikipedia

en.wikipedia.org/wiki/Discriminant

In algebra, the discriminant of a polynomial is a function of its coefficients, typically denoted by a capital D or the capital Greek letter delta (Δ). It gives information ...

## What is the Discriminant? | Virtual Nerd

Note: In a quadratic equation, the discriminant helps tell you the number of real solutions to a quadratic equation. The expression used to find the discriminant is  ...

## The Quadratic Formula: Solutions and the Discriminant | Purplemath

Explains the relationship between the discriminant of the Quadratic Formula and the number of solutions to the equation.

## Mathwords: Discriminant of a Quadratic

The number D = b<sup>2</sup> – 4ac determined from the coefficients of the equation ax<sup>2</sup> + bx + c = 0. The discriminant reveals what type of roots the equation has.

## Discriminant - Regents Exam Prep Center

regentsprep.org/regents/math/algtrig/ate3/discriminant.htm

## Using the quadratic formula: number of solutions | Solving ...

Sal determines how many solutions the equation x²+14x+49=0 has by considering its quadratic formula, and more specifically, its discriminant.