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Meaning & Definition of word "Quadratic"

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        Quadratic

        /kwɒˈdrætɪk/

        noun:

        • 1. A polynomial of degree two.
          • Example: The expression x² - 4x + 4 is a quadratic.

        adjective:

        • 1. Relating to or in the form of a quadratic equation.
          • Example: The quadratic function has a parabolic graph.
        • 2. Involving the second power of an unknown quantity or variable.
          • Example: To find the roots, we need to apply the quadratic formula.

        Etymology

        From Latin quadratus, meaning 'square'.

        Common Phrases and Expressions

        quadratic equation:

        An equation of the form ax² + bx + c = 0 where a, b, and c are constants.

        quadratic function:

        A function defined by a quadratic polynomial.

        quadratic formula:

        The formula used to find the roots of a quadratic equation.

        Related Words

        parabola:

        A symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side.

        polynomial:

        An algebraic expression consisting of variables and coefficients, involving only the operations of addition, subtraction, multiplication, and non-negative integer exponents.

        Slang Meanings of quadratic

        Meaning: Quadratic riddle

        Example Sentence: That math problem was a real quadratic riddle to solve.

        Meaning: Quadratic grind

        Example Sentence: I have to hit that quadratic grind on my homework tonight.