Learn how to calculate the equation of a line from a graph, work out the gradient from an equation, and visualise intercepts with this step-by step guide.

Find out how to interpret stocks and portfolios through a security market line, or SML, graph as part of the Capital Asset Pricing Model, or CAPM.

Lines that are perpendicular are at 90° to each other. They slope in opposite directions, one has a positive gradient and the other has a negative gradient.

In a line graph, you would see a downward slope. In economics, ... A demand curve is a good example of an often-used chart that has a negative or inverse correlation. Investopedia.

Below is a graph showing the yield spread between 10-year and 3-month Treasuries from January 1982 to August 2022. When the blue line drops below the horizontal black line, the yield curve is ...