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Math Help - feasible region

  1. #1
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    Post feasible region

    which is in the feasible region of thr system of inequalities.

    4x=y less or equal than 8
    2x+5y less or equal than 18
    x greater 0, y greater 0
    my answer is (2,4) is this right, thanks for checking my answer.
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  2. #2
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    Quote Originally Posted by kwtolley View Post
    which is in the feasible region of thr system of inequalities.

    4x=y less or equal than 8
    2x+5y less or equal than 18
    x greater 0, y greater 0
    my answer is (2,4) is this right, thanks for checking my answer.
    Because your answer (2,4) made me smile, I will at least lead you on how to do it.
    Inequalities have many solutions, a region of solutions. Not only one point.
    Equations, though, have few solutions. Maybe one point only.

    Go see zasi's post "Help" in the "Pre-Algebra and Algebra" section of this Forum. It should be close to the top of the list because it's new. The topic is about inequalities.
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  3. #3
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    Hello, kwtolley!

    Your typo certainly doesn't help . . .


    Which is in the feasible region of the system of inequalities?
    . . Were some choices given?

    4x=y less or equal than 8 ??
    2x+5y less or equal than 18
    x greater 0, y greater 0

    My answer is (2,4)
    Is this right?

    I'll take a guess at the correct statements . . .

    . . . \begin{Bmatrix}4x + y \:\leq \:8 \\ 2x + 5y \:\leq \:18 \\ x \:\geq\:0 \\ y\:\geq\:0\end{Bmatrix}

    Can't you check your own answer?
    . . Does your point (2,4) satisfy all four inequalities?
    . . Does it lie in the region? .(Graph it!)

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  4. #4
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    Smile Thanks to you both

    thanks again for all the help given.
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