# Quadratic Equation

**Topics:**Polynomial, Quadratic equation, Polynomials

**Pages:**2 (554 words)

**Published:**October 15, 2012

Binomial – is polynomial with two terms.

Trinomial – is a polynomial with four or more terms.

Polynomial – is a polynomial with three terms.

Constant – a polynomial of degree zero.

Linear – a polynomial of degree one

Quadratic – a polynomial of degree two

Cubic – a polynomial of degree three

Quartic – a polynomial of degree four

Quintic – a polynomial of degree five

Degree – is the highest exponents or the highest sum of exponents of the variables in a term

A population is all the organisms that both belong to the same group or species and live in the samegeographical area. In ecology the population of a certain species in a certain area is estimated using the Lincoln Index. The area that is used to define a sexual population is such that inter-breeding is possible between any pair within the area and more probable than cross-breeding with individuals from other areas. Normally breeding is substantially more common within the area than across the border.[1] In sociology, population refers to a collection of human beings. Demography is a social science which entails the statistical study of human populations. This article refers mainly to human population.

The term community has two distinct commutive meanings: 1) Community usually refers to a social unit larger than a small village that shares common values. The term can also refer to the national community or international community, and, 2) in biology, a community is a group of interacting living organisms sharing...

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