quadratic equation

quadratic equation
noun
an equation in which the highest power of an unknown quantity is a square
Syn: ↑quadratic
Hypernyms: ↑equation

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Math.
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 non-zero).
[1680-90]

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quadratic equation UK [kwɒˌdrætɪk ɪˈkweɪʒ(ə)n] US [kwɑˌdrætɪk ɪˈkweɪʒ(ə)n] noun [countable] [singular quadratic equation plural quadratic equations] maths
an equation in which a variable (=quantity that can represent different amounts) is multiplied by itself once only
Thesaurus: general words relating to mathematics and geometryhyponym to calculate or countsynonym

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quadratic equation,
an equation involving a square or squares, but no higher powers, of the unknown quantity or quantities: »

x2 + 3x + 2 = 12 is a quadratic equation.


Useful english dictionary. 2012.

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