posted by Joy .
3.Does it matter if we join two vertices with a straight line or a curved line when we represent a graph by drawing it on paper?
No it does not matter. You can even use a wavy line. However, we usually use a straight line unless we would like to avoid certain crossing of lines.
MathMate: Thank you! Can you please help me with my other math problems that I need help with? I would greatly appreciate it.