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Mathematics / Simultaneous linear equations

Mathematics / Simultaneous linear equations

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.

Given a pair of linear equations, they can be plotted as two lines in the Cartesian plane.

  • If the two lines intersect, the pair of equations is said to be consistent. Solving the two equations simultaneously yields a unique value for each of the two variables. These values represent the co-ordinates of the point of intersection.
  • If the two lines are parallel, the equations are inconsistent and there is no solution.
  • If the two lines are coincident, then there are infinite solutions since every point on these lines is a point of intersection and as we know the line extends infinitely.

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  • Simultaneous linear equations

    Learnhive Test on Simultaneous linear equations

    • Questions: 13
    • Simultaneous linear equations

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