Quadratic

Alternative forms

• quadratick obsolete

Origin

Confer French quadratique.

Full definition of quadratic

Adjective

1. square-shaped
2. (mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as $ax^2\; +\; bx\; +\; c$.
3. (mathematics) of an equation, of the form $ax^2\; +\; bx\; +\; c\; =\; 0$

1. (mathematics) of a function, of the form $y\; =\; ax^2\; +\; bx\; +\; c$

Noun

1. (mathematics) A quadratic polynomial, function or equation.

Related terms

• quadrate
• quadratic equation
• quadratic form
• quadratic mean
• quadratic reciprocity theorem
• quadratic residue