# Quadric vs. Quadratic — What's the Difference?

## Difference Between Quadric and Quadratic

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## Compare with Definitions

#### Quadric

In mathematics, a quadric or quadric surface (quadric hypersurface in higher dimensions), is a generalization of conic sections (ellipses, parabolas, and hyperbolas). It is a hypersurface (of dimension D) in a (D + 1)-dimensional space, and it is defined as the zero set of an irreducible polynomial of degree two in D + 1 variables (D = 1 in the case of conic sections).

#### Quadratic

Of, relating to, or containing quantities of the second degree.

#### Quadric

Of or relating to geometric surfaces that are defined by quadratic equations.

#### Quadratic

Square-shaped

#### Quadric

(mathematics) A surface or curve whose shape is defined in terms of a quadratic equation Category:en:Curves Category:en:Surfaces

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#### Quadratic

(mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as $ax^2\; +\; bx\; +\; c$. Category:en:Polynomials

#### Quadric

(mathematics) Of or relating to the second degree; quadratic.

#### Quadratic

(mathematics) of an equation, of the form $ax^2\; +\; bx\; +\; c\; =\; 0$.

#### Quadric

Of or pertaining to the second degree.

#### Quadratic

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

#### Quadric

A quantic of the second degree. See Quantic.

#### Quadratic

(mathematics) A quadratic polynomial, function or equation.

#### Quadric

A curve or surface whose equation (in Cartesian coordinates) is of the second degree

#### Quadratic

Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.

#### Quadratic

Tetragonal.

#### Quadratic

Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.

#### Quadratic

An equation in which the highest power of an unknown quantity is a square

#### Quadratic

A polynomial of the second degree

#### Quadratic

Of or relating to or resembling a square;

Quadratic shapes

#### Quadratic

Of or relating to the second power;

Quadratic equation

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