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bimbim2697

  • 4 years ago

Help please graph each linear inequality y>3x-4 x+y<-3 x-2y>-1 x =>-4 y<2 y<x 3x+5<14

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  1. anonymous
    • 4 years ago
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    First graph each as "equality". Depending on the inequality, all points above or below that line will satisfy the inequality.

  2. anonymous
    • 4 years ago
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    For example, take y<2. Graph the equality y=2. That will be a horizontal line at y=2. All points below that line will satisfy y<2.

  3. bimbim2697
    • 4 years ago
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    @GT Can U show me wht u mean by tht ?

  4. bimbim2697
    • 4 years ago
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    Please Im so lost! :(

  5. anonymous
    • 4 years ago
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    |dw:1328580546395:dw|

  6. anonymous
    • 4 years ago
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    That line is y=2. So, all points below that would be y<2.

  7. anonymous
    • 4 years ago
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    |dw:1328580663387:dw|

  8. anonymous
    • 4 years ago
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    All those points in that region satisfy the inequality.

  9. bimbim2697
    • 4 years ago
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    im like slowly getting it hoe eud u find y<x

  10. anonymous
    • 4 years ago
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    |dw:1328580825246:dw|

  11. anonymous
    • 4 years ago
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    That line is y=x. So, for y<x, all points below that line would satisfy that inequality.

  12. anonymous
    • 4 years ago
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    |dw:1328580896828:dw|

  13. bimbim2697
    • 4 years ago
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    @gt how do i determine of the ordered pair is a solution of the linear inequality 7x+2y>-5,(-1,1) x-y<=3, (2,-1)

  14. anonymous
    • 4 years ago
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    replace x by -1 and y by 1 and see if it works

  15. anonymous
    • 4 years ago
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    \[7\times (-1)+2\times 1=-7+2=-5\] and now we have to be careful because \[-5<-5\] is not true, so no for the first one

  16. anonymous
    • 4 years ago
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    second one replace x by 2, y by -1 and get \[2-(-1)\leq 3\] \[3\leq 3\] and that one is true

  17. bimbim2697
    • 4 years ago
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    What abt the last one ?

  18. anonymous
    • 4 years ago
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    that was the last one. that was \[x-y\leq 3\] for \[(2,-1)\]

  19. anonymous
    • 4 years ago
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    answer is yes, i does satisfy that inequality

  20. bimbim2697
    • 4 years ago
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    oh my first set of questions

  21. bimbim2697
    • 4 years ago
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    y>3x-4 x+y<-3 x-2y>-1 x =>-4 y<2 y<x 3x+5<14

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