Meaning & Definition of word "Quadratic"

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.