A formal group is an algebraic analogue of a Lie group. Lie groups are any smooth, chartable objects, such as circles, globes or lines, that contain points which obey group properties and that have differentiable group o... More »

Examples of formal groups, or formal organizations, in society include military units, corporations, churches, court systems, universities, sports teams and charities. Formal organizations denote a social system defined ... More »

Formal groups determine culture, codes of conduct and core values, and informal groups form more personal relationships that align with the mission statement. Informal encounters between employees help each understand th... More »

The y-intercept is the point in a function where the value of the x-coordinate is zero. By definition, a function has only one y-intercept. The x-intercept is the point in a function where the value of the y-coordinate i... More »

A quadratic function is a function of the form f(x) = ax^2 + bx + c where a, b and c are constants. Part of the definition of a quadratic function is that a is not equal to zero, although b and c can equal zero. More »

The y axis is typically the vertical axis in a two-dimensional coordinate system. The y coordinate is measured along this axis. It is crossed by, or perpendicular to, the horizontal x axis. More »

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Some examples of mathematical expressions include "mx + y," "5 /a," "20" and "6 - 4." Mathematical expressions are groups of variables, constants and operators that represent values. More »