The graph of every linear equation is a line in the rectangular coordinate system. A linear equation is one that is equivalent to Ax + By = C in which not both A and B are zero. A linear equation written in the form Ax + By = C is in standard form.
The two ordered pairs obtained by choosing each variable in turn to be 0 are the coordinates on the intercepts of the graph of a linear equation. In other words, by choosing x=0 one obtains the ordered pair (0,b) the y-intercept. The ordered pair (a,0) is the x-intercept.
|A System of Linear Equations||Algebra Graphing Linear Equations||Equation for Linear Regression||first order linear equations|
|Graph a Linear Equation||graphs of linear equations|
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