cantthinkofausernamern
New member
- Joined
- Jun 19, 2020
- Messages
- 4
Here is the data table:
L(meters) ------- Resistance (x10^-6)
0 ------- 0
0.5 ------ 1.4
1 ------- 3.2
1.5 ------- 4.6
2 ------- 5.8
2.5 ------- 7.6
3 ------- 8.9
The question is to determine if it was a direct relationship or a quadratic relationship. I think it's a direct relationship but don't know how to prove my answer. I know that if it was a quadratic relationship, the second difference of the data numbers would be the same and if it was a direct relationship, the first difference would be teh same. But I cannot use this fact to prove my answer since this is a data collected from an experiment and the differences between numbers are not always the same. What can I do to prove that the relationship between L and R is a directly relationship? Thanks ^-^
L(meters) ------- Resistance (x10^-6)
0 ------- 0
0.5 ------ 1.4
1 ------- 3.2
1.5 ------- 4.6
2 ------- 5.8
2.5 ------- 7.6
3 ------- 8.9
The question is to determine if it was a direct relationship or a quadratic relationship. I think it's a direct relationship but don't know how to prove my answer. I know that if it was a quadratic relationship, the second difference of the data numbers would be the same and if it was a direct relationship, the first difference would be teh same. But I cannot use this fact to prove my answer since this is a data collected from an experiment and the differences between numbers are not always the same. What can I do to prove that the relationship between L and R is a directly relationship? Thanks ^-^