Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

Learn how to read and plot quadratic graphs with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Multiply the profit per unit by the number of units to find your total profit from the demand curve. In this example, multiply the profit of $15 by the quantity of 2,000 to determine the profit to ...