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Determining whether the ordered pairs are solution of the inequality


label Algebra
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Nov 24th, 2017

1. 2x-3y<=2 

  a) 0,-1  

      2*0-3*-1<=2

       0+3<=2

        3<=2   not a solution

 b) 3,2

     2*3-3*2<=2

      6-6<=2

       0<=2     it is a solution

3. 5x+y>=-3

 a) -3,6

    5*-3+6>=-3

     -15+6>=-3

        -9 >= -3   not a solution

 b) 2,-5

    5*2-5>=-3

    10-5>=-3

       5>= -3    it is a solution

Oct 13th, 2014

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