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 ...

But before you run out and do so, here are a few important warnings ... but instead of just being a direct inverse, it seeks three times the inverse performance. If you really are bearish on ...

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.