An ordered pair (x,y) is a solution of a linear equation, if the equation is a true statement when the x- and y-values of the ordered pair are substituted into the equation. The graph of a linear ...An ordered pair (x,y) is a solution of a linear equation, if the equation is a true statement when the x- and y-values of the ordered pair are substituted into the equation. The graph of a linear equation is a straight line where every point on the line is a solution of the equation and every solution of this equation is a point on this line. To find the range we look at the graph and find all the values of y that correspond to a point on the graph.
The graph of a linear equation is a straight line where every point on the line is a solution of the equation and every solution of this equation is a point on this line. To find the domain we look at...The graph of a linear equation is a straight line where every point on the line is a solution of the equation and every solution of this equation is a point on this line. To find the domain we look at the graph and find all the values of x that correspond to a point on the graph. To find the range we look at the graph and find all the values of y that correspond to a point on the graph.