Saturday, August 24, 2013

Determine which ordered pairs are part of the solution set for each inequality. 2x-3y>6,{(3,2),(-2,-4),(6,2),(5,1)}

Testing points is by substitution:
 
2(3)-3(2)>6
6-6>6 False 

2(-2)-3(-4)>6
-4+12>6 True 

2(6)-3(2)>6
12-6>6 False 

2(5)-3(1)>6
10-3>6 True 

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