G2
X and Y Intercepts
The graph of a linear algebraic equation is a straight line. The y-intercept is the value of y when the line crosses the vertical y-axis. The x-intercept is the value of x when the line crosses the horizontal x-axis.
One way of transforming an equation to a line on a graph is to calculate, with the equation, the value of x when y=0 (the x-intercept) and the value of y when x=0 (the y-intercept). You can then plot these two intercepts on a graph and draw the line between them.
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