Is #7x+4y=2# a direct variation equation and if so, what is the constant of variation?
1 Answer
Dec 8, 2015
It is a direct variation is you can rewrite it in the form
Explanation:
We first bring the
Then divide both sides by 4:
This is a linear equation, but according to my definition, this is not a direct variation, as there is allways this constant
graph{7/4x+1/2 [-10, 10, -5, 5]}