Linked from

The 23 pages that link to Linear equation, each with the reason it gives.

• Quadratic equationCompared with: Its graph is a line and it has at most one solution, unlike a quadratic.

• SlopeRelated: Slope describes how the variables in a linear equation relate.

• Variable (mathematics)Broader topic: Solving a linear equation finds values of variables that satisfy a simple constraint.

• AlgebraBroader topic: Linear equations provide the simplest general setting for algebraic solution methods.

• System of linear equationsNarrower topic: Each equation contributes one linear constraint to the shared variables.

• Line (geometry)Related: In a coordinate plane, its solutions commonly form a line.

• EqualityBroader topic: Its solutions are found by preserving equality while isolating a variable.

• EquationBroader topic: Linear equations are the simplest widely used class of equations.

• Polynomial equationBroader topic: Its single-variable form is the simplest nonconstant polynomial equation to solve.

• Quadratic formulaCompared with: When a is zero, the equation is linear and the quadratic formula’s denominator is invalid.

• Cubic equationCompared with: A linear equation has one root at most, unlike a cubic's three roots counted with multiplicity.

• Linear functionCompared with: It may describe a line, but unlike a function it need not specify one output per input.

• Open mapping theoremNarrower topic: Surjective operators guarantee solutions, while openness controls how target perturbations can be lifted.

• The Nine Chapters on the Mathematical ArtRelated: Many problems reduce to solving linear relations among unknown quantities.

• Affine subspaceRelated: Consistent systems of linear equations define affine subspaces in coordinate spaces.

• Algebraic equationBroader topic: Linear equations model proportional changes and are the simplest nontrivial algebraic equations.

• Binomial (algebra)Broader topic: Setting a linear binomial equal to a value produces a basic linear equation.

• Vertical line (geometry)Related: A vertical line is represented by an equation fixing the x-coordinate.

• Al-JabrBroader topic: Al-Khwarizmi demonstrated al-jabr by reducing linear equations to standard forms.

• Elementary algebraBroader topic: Solving linear equations is a central method for finding unknown values.

• Line–line intersectionRelated: Equating two line equations turns their intersection into a solvable system.

• Y-interceptNarrower topic: Setting its x-coordinate to zero locates the line’s y-intercept.

• Horizontal line (geometry)Narrower topic: A horizontal line is the graph of a linear equation with fixed y-coordinate.