VCAA Exam 1 2004

[Hooligan]

Question 2 in Networks and decision mathematics module.

I don't get the question at all...  Can someone explain? 

EDIT: What is the definition of an equivalent graph?

[techhatesme]

Are you sure that it is part of the current study design?

[Hooligan]

Are you sure that it is part of the current study design?

I'm not too sure myself either... 

[kazoospasm]

Planar graphs are equal when they can be used to represent the same network.
That is, they're essentially the same graph drawn differently.

Note: I'm not doing Networks, so this could be completely wrong.

[Hooligan]

Planar graphs are equal when they can be used to represent the same network.
That is, they're essentially the same graph drawn differently.

Note: I'm not doing Networks, so this could be completely wrong.

right... then show me how to do this question?

[Gloamglozer]

Maybe the question is asking which of the planar graphs are identical?

I haven't done the VCAA 2004 exam yet unfortunately.

[dshban]

Ah, I had this question in a SAC.

It's asking which graphs are exactly the same in terms of vertices connecting to other vertices - ie, graphs which are identical except moved around a bit. For example, look at Graph J. Its lower left vertex is connected to a vertex which connects diagonally to another and straight to another. It's hard to explain in just words, here, I'll try this:

[Gloamglozer]

Ah, so it's not asking what a equivalent graph actually is, but it's asking about which of the graphs are identical.  Thanks.

[Hooligan]

Ah, I had this question in a SAC.

It's asking which graphs are exactly the same in terms of vertices connecting to other vertices - ie, graphs which are identical except moved around a bit. For example, look at Graph J. Its lower left vertex is connected to a vertex which connects diagonally to another and straight to another. It's hard to explain in just words, here, I'll try this:

Oh, so its actually just wanting us to find the graphs which are identical, in terms of the vertices (which stay put). Gotcha.

Thanks soo much!