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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.


linear equation British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.


Etymology

Origin of linear equation

First recorded in 1810–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Despite this complexity, a close approximation of its motion can be captured with a simple linear equation that uses only the launch speed and angle.

From Science Daily

I rejoiced in teaching young people about linear equations and graphs.

From Literature

Some computations could require a computer to solve a half-billion linear equations, he says.

From Science Magazine

“I’m supposed to go into linear equations next fall. How’s that going to work?” said Parks.

From Los Angeles Times

Emphasizing problem-based learning, the course covers topics students need in sophomore engineering classes, including linear equations, quadratic equations, 2-D vectors and complex numbers.

From Scientific American