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linear equation
noun
, Mathematics.
- a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.
- any equation such that the sum of two solutions is a solution, and a constant multiple of a solution is a solution.
linear equation
noun
- a polynomial equation of the first degree, such as x + y = 7
linear equation
- 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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Word History and Origins
Origin of linear equation1
First recorded in 1810–20
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