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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 ?
Furthermore, it is admitted that never, never, in a million lifetimes, could Michael have demonstrated a proposition in Euclid or solved a quadratic equation.
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.
Students have always been able to look up the quadratic equation rather than memorise it, but opening a new browser tab takes moments, not the minutes required to locate the right page in the right book.
tau]] given by (1), consider the quadratic equation
There is no reason to believe that Samuelson and Solow would have rejected the quadratic equation as being inappropriate for analysing the US inflation-unemployment data over the twenty-five years of their study.
Moslehian, On the orthogonal stability of the Pexiderized quadratic equation, J.
The response of fruit yield fitted into quadratic equation with [R.
Students may never encounter the need to solve for "x" in a quadratic equation after high school, but they can be assured that there will be variables in their future that they will have to analyze.
The subsequent U-shape can be tested through a quadratic equation taking the following form:
For example, a quadratic equation is claimed to have either two, or one, or none solutions on the set of real numbers.

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