Graphical Solution of Simultaneous Linear Equations

Simultaneous Linear Equations

Geometric or Graphical Interpretation


The graph of a linear equation  ax+by = c  is a straight line.

Two distinct lines always intersect at exactly one point unless they are parallel (have the same slope).

The coordinates of the intersection point of the lines is the solution to the simultaneous linear equations describing the lines. So we would normally expect a pair of simultaneous equations to have just one solution.

In this tutorial, I'm going to show you three different methods for plotting a graph of linear Equations.

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