www.reference.com/article/real-world-uses-linear-functions-7f42bdfccbfac550

Real world uses for linear functions include solving problems and finding unknowns in engineering, economics and finances. A linear function describes a gradual rate of change, either positive or negative. When drawn, it presents a straight line.

www.reference.com/article/linear-function-af851a3343855b2

A linear function is a function whose graph is a line in the plane. The characteristic property of these functions is that when the value of the input variable is changed, the change in the output is a constant multiple of the change in the input variable.

www.reference.com/article/definition-linear-function-fba91278ef76aaa9

In calculus and related mathematical areas, a linear function is a polynomial function of degree zero or one or is the zero polynomial. In linear algebra and functional analysis, a linear function is a linear map.

www.reference.com/article/use-linear-equations-real-life-e20f20c2480ed2fa

Everyday budgeting and other financial issues often use linear equations. Linear equations involve two values that change according to a consistent pattern.

www.reference.com/article/linear-function-word-problems-26195f23ff1d00eb

Linear function word problems are presented when a question is asked that requires students to figure out the linear function of a problem through words. These problems can be figured out more easily when they are translated from words to actual equations.

www.reference.com/article/real-life-examples-linear-equations-ef038decde2e6e8b

Real-life examples of linear equations include distance and rate problems, pricing problems, calculating dimensions and mixing different percentages of solutions. One application of linear equations is illustrated in finding the time it takes for two cars moving toward ...

www.reference.com/article/real-life-examples-linear-pair-30533762497d5377

A ladder placed against a building is a real life example of a linear pair. Two angles are considered a linear pair if each of the angles are adjacent to one another and these two unshared rays form a line. The ladder would form one line, while a building or wall would ...