Question

Determine which function is a solution to the differential equation xy ' + 2y = 0.

Answer 1

xy'+ 2y = 0
x = 2y/y'
\[\int\limits x = \int\limits \frac{ 2y }{ y' }\]

not sure what to do after this part

Answer 2

This looks like pug and play, did they give you some functions to try?

Answer 3

plug*

Answer 4

I think this equation is separable.