Determine the ratio for y-value to the corresponding x-value for any two readings from the table.
![(5)/(1)=5](https://img.qammunity.org/2023/formulas/mathematics/college/xtekw2pt8hlliya762drle8rn53f180rkq.png)
![(8)/(2)=4](https://img.qammunity.org/2023/formulas/mathematics/college/nzqrwwj4gx1ja5o8s6cmp8mq1tkolp47gl.png)
The ratio is not equal to each other, means that relation is not a proportional relation.
For proportional relationship, all ratios must be equal to each other.