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n.
An equation that employs the variable x having the general form ax2 + bx + c = 0, where a, b, and c are constants and a does not equal zero; that is, the variable is squared but raised to no higher power.

n.
an equation containing a single variable of degree 2. Its general form is ax2 + bx + c= 0, where x is the variable and a, b, and c are constants (a≠ 0).
[1680–90]
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 quadratic equation - an equation in which the highest power of an unknown quantity is a squarequadraticequation - a mathematical statement that two expressions are equal
References in classic literature ?
For five weeks I crammed, until simultaneous quadratic equations and chemical formulas fairly oozed from my ears.
Then he got out note-book and algebra and lost himself in quadratic equations, while the hours slipped by, and the stars dimmed, and the gray of dawn flooded against his window.
Furthermore, it is admitted that never, never, in a million lifetimes, could Michael have demonstrated a proposition in Euclid or solved a quadratic equation.
Ivanov presents mathematical problems at about the first-year university level for teachers, students, and others interested in mathematics who have at least a high-school senior or first-year university calculus understanding of functions, quadratic equations, mathematical induction, Euclidean geometry of triangles and circles, and coordinate geometry as it applies to these figures and to parabolas.
The quadratic functions is one of the areas where students often have difficulties in their learning, such as interpreting the algebraic and geometric meanings of parameters in quadratic equations (Davis, 2012) and developing appropriate generalizations from linear to quadratic functions (Ellis and Grinstead, 2008).
These solutions are confirmed when they are substituted back into their respective quadratic equations.
The basic objects of multivariate cryptography are systems of multivariate quadratic equations over a finite field K=GF(p).
In fact, we have all become adept at complex mental arithmetic, quadratic equations and probability theory.
Unlike with quadratic equations, cubic equations do not have a "cubic formula.
Quadratic equations were developed by Sridharacharya in the 11th Century.
classes so they could figure out quadratic equations and the causes

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