For students ages 11 to 14. How to draw direct and inverse proportion graphs Understand how to draw and read graphs that show direct proportion and inverse proportion with BBC Bitesize Maths.

In the context of inverse problems, a mathematical model of the measurements is called the direct problem. To understand this term, let us consider a model for obstetric sonography. An ultrasonic ...

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 ...