The four graphs below show different relationships between y y\,y and xxx.
E
F
G
H
Note: Graph E represents an inverse square relationship, Graph F is a linear relationship through the origin, Graph G is an inverse relationship, and Graph H is a square relationship.
Match each graph with a statement in the table below.
| Proportionality relationship | Graph letter |
|---|---|
| y y\,y is directly proportional to xxx | |
| y y\,y is inversely proportional to xxx | |
| y y\,y is directly proportional to x2x^2x2 | |
| y y\,y is inversely proportional to x2x^2x2 |
43 exam-style questions on AQA GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.