Question

The table shows a direct variation.

What is the constant of variation?



x y
2 4.8
4.5 10.8
6 14.4

Answer 1

For any direct variation: x=ky so k=x/y
k=4.8/2=2.4
k=10.8/4.5=2.4
k=14.4/6=2.4
Since k is a constant, you get the same value when you use any set of x and y values from the table. I just wanted to show you that.
The constant of variation(k)=2.4