And since it is nearly always the extreme points of the regions, I tried all three. Two were obviously useless (y=0...), and the top one gave 14. I did not take it any further than this. There are ways it can be checked, but I am very, very lazy...
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- 15-06-2006 21:30
- 15-06-2006 21:40
oh yeh did the top oen two but ended up with 18 dont no how i managed that but aybe marks for subsitution. what was the line again 2x and 3y equals 18?
(Original post by clowes)
- 15-06-2006 22:45
What was question 10 and how did it involve simultaneous equations.. I can't remember.
I forgot to find the y coordinates.