Example4.2.7

Let's plot a graph for the equation $$y=-2x+5\text{.}$$ We use a table to organize our work:

We use points from the table to graph the equation. First, plot each point carefully. Then, connect the points with a smooth curve. Here, the curve is a straight line. Lastly, we can communicate that the graph extends further by sketching arrows on both ends of the line.

in-context