linear equation

American  

noun

Mathematics.

1. a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.

2. any equation such that the sum of two solutions is a solution, and a constant multiple of a solution is a solution.

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linear equation British  

noun

1. a polynomial equation of the first degree, such as x + y = 7

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linear equation Scientific  

1. An algebraic equation, such as y = 4 x + 3, in which the variables are of the first degree (that is, raised only to the first power). The graph of such an equation is a straight line.

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Etymology

Origin of linear equation

First recorded in 1810–20

Example Sentences

It covers linear equations, functions, exponential and logarithmic expressions and other topics.

From Washington Post

Sitting in a recent algebra class, Grace appeared to stare blankly as teacher Jessi Struble demonstrated uses of linear equations in graphing.

From Washington Times

That's when "x the unknown" makes its first appearance in word problems and linear equations, which for many marks a first sign of confusion rather than buried epistemological treasure.

From Salon

It covers linear equations, functions, exponential and logarithmic expressions, and other things.

From Washington Post

For the 475 seventh-graders in the boy’s class, that meant learning about cell mitosis, calculating linear equations and reading “The Giver.”

From Washington Post