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carlyn Group Title

Explain, in complete sentences, how you would use the graphing method to solve the following system of inequalities and what the final solution will look like on the coordinate plane. x – 2y < 18 4x + y > –5

  • 3 years ago
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  1. perl Group Title
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    whats the graphing method >

    • 3 years ago
  2. perl Group Title
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    treat them like lines y = mx + b , make two of them

    • 3 years ago
  3. mitosuki Group Title
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    You would put it in y = mx + b form to find the y-intercept and the slope, and so you plot the line. Then plug in a point that is not on the line to see which side is shaded. For graphing use this website: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html Note the lines won't show whether it is dotted or a solid line.

    • 3 years ago
  4. carlyn Group Title
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    thanks so much!! :)

    • 3 years ago
  5. mitosuki Group Title
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    No problem :)

    • 3 years ago
  6. perl Group Title
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    mito, you got a 3d grapher

    • 3 years ago
  7. perl Group Title
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    i have a 3d grapher at romanlabs.com

    • 3 years ago
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