Can you give me a good website on the topic, slope fields and differential equations? I need to match six slope fields with the correct differential equation.

Question

1. dy/dx=x-y
2. dy/dx=1+x
3. dy/dx=cosx
4. dy/dx=2x
5. dy/dx=x+y
6. dy/dx=y(2-y)

Answer 1

http://mathworld.wolfram.com/First-OrderOrdinaryDifferentialEquation.html