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Jerahjessego
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Determine whether the given ordered pair is a solution of the given equation?

1.)x+2y<8 (-3,5)
2.)3x-2y>12 (2,-1)
3.)2x-5y≤-9 (4,2
4.)x-2y≥-10 (-3,2)
5.)3x+5y≤15 (2,-3)



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Rrdeleongo

1.)x+2y<8

Solution:

  • x+2y<8
  • (-3)+2(5)>8
  • -3+10>8
  • 13>8

2.)3x-2y>12

Solution:

  • 3x-2y>12
  • 3(2)-2(-1)>12
  • 6+2>12
  • 8>12

3.)2x-5y≤-9

Solution:

  • 2x-5y≤-9
  • 2(4)-5(2)≤-9
  • 8+10≤-9
  • 18≤-9

4.)x-2y≥-10

Solution:

  • x-2y≥-10
  • (-3)-2(2)≥-10
  • 3+4≥-10
  • 7≥-10

5.)3x+5y≤15

Solution:

  • 3x+5y≤15
  • 3(2)+5(-3)≤15
  • 6+15≤15
  • 21≤15

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