# DiffEq order question

## Main Question or Discussion Point

I need to classify a bunch of differential equations and this one has me stuck...

3x+1=4t

Would this be zeroth order? Or should I just call it a quadratic equation?

Also, I need to identify the homogeneous parts of these equations. I know what a homegeneous diffeq is, but how would I identify the homogeneous part of a non-homogeneous equation?

2(dx/dt) +3x+1=4t

Would the homogeneous part just be: 2(dx/dt)+3x?

2sin(dx/dt)+3x+1=4t

I'm stuck, any help would be a huge help.

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LCKurtz
Homework Helper
Gold Member
I need to classify a bunch of differential equations and this one has me stuck...

3x+1=4t

Would this be zeroth order? Or should I just call it a quadratic equation?
I wouldn't call it a differential equation but I suppose you could consider it a zeroth order. I certainly wouldn't call it a quadratic.
Also, I need to identify the homogeneous parts of these equations. I know what a homegeneous diffeq is, but how would I identify the homogeneous part of a non-homogeneous equation?

2(dx/dt) +3x+1=4t

Would the homogeneous part just be: 2(dx/dt)+3x?

2sin(dx/dt)+3x+1=4t