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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 ...

Discriminant - Regents Exam Prep Center


The discriminant tells you about the "nature" of the roots of a quadratic equation given that a, b and c are rational numbers. It quickly tells you the number of real ...

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  ...

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.

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.

The Discriminant - Hotmath


In the quadratic formula, the expression under the square root sign, b2 - 4ac, is called the discriminant.

Using the quadratic formula: number of solutions | Khan Academy


Sal determines how many solutions the equation x^2+14x+49=0 has, but considering its quadratic formula, and more specifically, its discriminant.

The Discriminant in Quadratic Equations--visual tutorial with ...


Discriminant in quadratic equations--visual tutorial. How to determine the nature and number of roots based on the discriminant.

discriminant | mathematics | Britannica.com


Discriminant, in mathematics, a parameter of an object or system calculated as an aid to its classification or solution. In the case of a quadratic equation ax <sup>2</sup> + bx  ...

Discriminant -- from Wolfram MathWorld


A discriminant is a quantity (usually invariant under certain classes of transformations) which characterizes certain properties of a quantity's roots. The concept of ...

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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