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## Mathematics / Linear equations in two variables

### Mathematics / Linear equations in two variables

A linear equation is an algebraic equation that contains terms which can either be constants or variables. The variables can only be of the first power.

A linear equation in two variables is of the form ax + by + c = 0, where x and y are variables and a, b and c are real numbers. Additionally a and b are non zero.

The graph of a linear equation in two variables plotted on a Cartesian plane is a straight line.

Exercises
Lessons
Topics
Exercises
Lessons
Topics
• ### Linear Equations in Two Variables -- SmartTest

Solve simultaneous linear equations. Test your understanding of how linear equations are geometrically represented.

• Questions: 97

### Pair of Linear Equations in Two Variables -- SmartTest

• Questions: 97
• System of linear equations in two variables
• Algebraic methods of solving linear equations in two variables
• Graphical representation of different possibilities of solutions/Inconsistency
• Graphical method of solving a system of linear equations
• Determinant of order two
• Cramer's rule
• Consistency of pair of linear equations
• ### Simultaneous Linear Equation in Two Variables

Learnhive Lesson on Simultaneous Linear Equation in Two Variables