Plotting linear graphs Going from rule to graph. To sketch a linear graph from a rule, determine two points that satisfy the rule and connect them with a straight line. Two commonly used methods are: ...

The linear function is popular in economics. It is attractive because it is simple and easy to handle mathematically. It has many important applications. Linear functions are those whose graph is a ...

Another effective activity is to use a graph to identify the slope of a linear function. Show students the graph of a linear function and help them identify the slope by looking at the steepness of ...