The graph of an inverse demand curve is derived from the formula used to determine the demand curve for a product. Advertisement. Article continues below this ad. How to Use an Inverted Demand Curve.

How do we know if a graph represents either direct or inverse proportionality? We look for certain features of the graph and perform some test calculations to help us decide. Look at this graph ...

GCSE; Graphs - WJEC Direct and inverse proportion. Graphs can be used to present data clearly and as a tool to aid calculations in the form of conversion graphs and travel graphs.