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# Matrices watch

1. Would the following still be a correct representation of the vertices of S:

| 1 3 3 1 |
| 3 3 1 1 |
2. (Original post by GPODT)

Would the following still be a correct representation of the vertices of S:

| 1 3 3 1 |
| 3 3 1 1 |
to be safe I usually put (1,3) (3,3) (3,1) (1,1) and I think so although, the rearrangement of matrix algebra I'm not sure if it affects it, I'd just list them as coordinates tbh
And yes put them in the normal order, you could get confused by someways in which the markscheme does it if you adapt a different way
3. (Original post by GPODT)

Would the following still be a correct representation of the vertices of S:

| 1 3 3 1 |
| 3 3 1 1 |
Yep that's fine.
4. the 'horizontal' order in which you put it does not matter at all

...but you can't swap the top values with the bottom values

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Updated: March 14, 2013
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